Orion Sky WizardModel 1 Instruction Manual

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INSTRUCTION MANUAL

Orion®

™

Sky Wizard

#7801 Electronic Finder & Sky Catalog Model 1

Providing Exceptional Consumer Optical Products Since 1975

Customer Support (800) 676-1343 E-mail: support@telescope.com

Corporate Offices (831) 763-7000

P.O. Box 1815, Santa Cruz, CA 95061

IN 034 Rev C 1099

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Congratulations! Your Orion Sky Wizard Model 1 will put the fun back in your telescope observing. It

provides a digital readout of celestial coordinates, a database of the more than 110 of the most interesting deep-sky subjects, and the ability to guide the observer to astronomical objects. It’s designed to work with both Altazimuth (including Dobsonian) and Equatorial type telescope mounts.

Sky Wizard is designed for ease of use. Simply turn it on, sight two stars, and let it guide you to celestial objects. There is no need to polar align the telescope and no need to input latitude, longitude, date or time (date needed for planets). It provides virtually any telescope with a continuous digital display of celestial coordinates. The unique method of alignment by two star sightings provides excellent pointing accuracy over the entire sky.

Sky Wizard is connected to your telescope through two optical encoders. The encoders detect the movement of the telescope and relay the positional information to Sky Wizard. The encoders are attached by various methods depending on your telescope model. Installation kits and encoders are sold separately from Sky Wizard to allow for this variation in attachment method.

Powered by a single 9-volt alkaline battery, Sky Wizard provides over 24 hours of operation with the display fully dimmed. It can also operate from an external 12-volt DC power supply connected to the battery snap.

Table of Contents

1. Installation ............................................................................................................................. 2

2. Operation .............................................................................................................................. 5

3. Sample Observing Session .................................................................................................. 7

4. Specifications ........................................................................................................................ 9

5. Catalog Listings .................................................................................................................. 10

6. The SETUP Star List .......................................................................................................... 11

7. Troubleshooting Your Sky Wizard .......................................................................................... 12

8. Quick Reference ................................................................................................................... 13

1. Installation

The INSTALL mode is used when Sky Wizard is first installed on your telescope. INSTALL tells Sky Wizard what kind of telescope you are using, the desired scroll rate for the subject description display, and the resolution or gear ratio of the encoders. You will only need to input this information once, unless you use Sky Wizard with another telescope.

To start: Turn on Sky Wizard. The start up message “ORION SKY WIZARD V 1.14.” will start scrolling by, then the display will stop with another message (DEC=0, LEVEL ME, or VERTICAL). Press MODE. Scroll UP or DOWN until the display reads INSTALL and press ENTER.

A. Telescope Mount Type

The display first prompts you to select the type of telescope mount used. Press UP or DOWN to select the desired telescope type.

Mount type choices:

For telescopes such as Celestron and Meade SchmidtCassegrains with fork mounts (not counterweighted German-type mounts):

Equatorial fork mount: SCOPE EQ For all telescopes on German-type equatorial mounts

(mounts with a counterweight on a shaft balancing the weight of the optical tube) including Orion GP telescopes:

German-type equatorial mount: SCOPE GQ For altazimuth telescopes, including Dobsonian and other

telescopes which move in vertical & horizontal planes: (Choice of vertical or horizontal index is based on your preference, not on the telescope itself.

Altazimuth, horizontal index: SCOPE AZ Altazimuth, vertical index: SCOPE AV For a motor driven “Poncet”-type equatorial table such as that

sometimes used with a Dobsonian telescope:

Equatorial Table: SCOPE ET

When you have selected the correct type of mount, press ENTER to advance to the next step.

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B. Display Scroll Rate

The rate of scrolling messages is displayed: SCROLL 5. Set the flashing digit using the UP and DOWN buttons. 0 is very slow, 9 is very fast. Press ENTER to go to the next step.

C. Encoder Settings

The proper encoder settings (ratios) for your specific telescope mount must now be entered into Sky Wizard. The encoder ratios are based on the resolution of the encoder used, and the way that it is installed on the mount. If you have purchased one of Orion’s Sky Wizard Installation Kits, the encoder ratios are as follows:

ORION PART# TELESCOPE TYPE “R” ENCODER RATIO “D” ENCODER RATIO

#27103 Meade 8" and 10" -02925 -02160 Schmidt-Cassegrain

#27102 Celestron Classic 8 -04000 -04000 and Powerstar 8

#10301 Celestron C8+ -04000 +02160 and Celestar 8

#10306 Celestron CM1100, -04000 -04000 CM1400

#2395 Orion and Celestron +03000 +03000 Great Polaris (GP)

#27121 Orion 6" and 8" -04000 +04000 Deep Space Explorer

#27122 Orion 10" and 12.5" -04000 +04000 Deep Space Explorer

#27131 Small Dobsonian -04000 +04000

#27132 Medium Dobsonian -04000 +04000

#27133 Large Dobsonian -04000 +04000

#27134 Giant Dobsonian -04000 +04000

Sky Wizard will first prompt you to enter the “R” encoder ratio. Use the UP and DOWN keys to select the proper character, and then press ENTER to move to the next character. When the last digit in the “R” encoder ratio is input, pressing ENTER will prompt you to enter the “D” encoder ratio. Use the UP and DOWN and ENTER keys to input the “D” encoder ratio. When the last digit is entered, the word INSTALL will appear again. The installation is now complete. If you have made a mistake entering characters in the INSTALL mode, you must begin the installation again, proceeding all the way through until the word INSTALL appears again.

Determining Encoder Ratios for Custom Installations

(Skip this section if you have purchased one of the Sky Wizard Installation Kits)

If you are custom installing a pair of encoders on your telescope’s mount, then you will need to calculate the proper encoder ratios to be entered into Sky Wizard. The encoder ratios are essentially the number of “steps” detected by the encoder when the telescope is fully rotated about one of its axes. Custom installation is generally not recommended, since it will usually require the user to machine parts.

There are two basic ways to attach an encoder to a telescope mount: directly or by use of gears. Direct attachment is when an encoder is directly coupled to the motion of one of the

mount’s axes. Geared attachment means that gears are used to couple the motion of the mount with the encoder.

For direct encoder attachment, the encoder ratio is simply the number printed on the encoder. Typically this number will be 2160 (standard resolution) or 4000 (high resolution). So, for example, if you are using a 4000-step encoder directly coupled to the RA axis of your mount, you would enter + or - 04000 in the INSTALL mode when prompted by the “R”. To deter- mine whether the “+” or “-” sign should be used (encoder polarity), consult the section entitled “Encoder Direction Test”.

For geared encoder couplings, the encoder ratio is the encoder resolution (the number printed on the encoder) multiplied by the ratio of the gears being used. The gear ratio is the number of teeth on the gear attached to the mount divided by the number of teeth on the gear attached to the encoder’s shaft. For example, let’s say that you are using a 400-step encoder that has a gear with 60 teeth attached to its shaft. On the mount, you are using a 120-tooth gear to couple the motion of the telescope in RA with the gear on the encoder shaft; this yields a gear ratio of 120/60, or 2. The final encoder ratio would then be 4000 x 2 = 8000. Thus when prompted by the “R” in the INSTALL mode, you would enter + or - 08000. Again, to determine the encoder polarity (the “+” or “-” sign) that should be used, consult the section entitled “Encoder Direction Test.”

Encoder Direction Test

The purpose of the encoder test is to make sure the encoders are set to the correct polarity, correct ratios, and that nothing is slipping. You must do this test before trying the Sky Wizard at night. It is the last step in the installation procedure before going out into the field. Please do this test before calling Orion support for assistance.

Equatorial Telescopes: Point the telescope up and slightly toward the South so the Dec. is at 0° on the original (mechanical) setting circles. Rotate the original RA (mechanical) setting circles so that RA = 00. Turn the Wizard off, then back on to clear the Wizard and press ENTER after it reads DEC=0. Press MODE and scroll to ENC TEST mode. Press ENTER and it should read 000+000.

Move the declination axis to 90° north. The display should now show 000+090 if the Dec. axis “sign” is correct. If the display reads 000-090 re-enter the INSTALL mode and change the + or - sign for the Dec axis (D). If the second numerical value is not 090, then either the encoder ratio is incorrect, or the encoder is not properly coupled to the declination axis of the telescope mount. Check to see if you have entered the correct encoder ratios in the INSTALL mode. Also check to make sure the connection of the encoder to the declination axis of the mount is proper and secure. If the display reads 090+000 (change in first numerical value, no change in second numerical value), then the leads from the Sky Wizard cable are reversed; swap the leads by first disconnecting them from the encoders and then re-attaching them to the opposite encoder. If the display reads 000+000, then the encoder is not properly “speaking” to the Sky Wizard; usually this is because the cable lead attached to the encoder is

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installed upside down. Remember that the wires on the ends of the leads should extend away from the encoder shaft.

To check the RA axis, again point the telescope up and slightly toward the South so the Dec. is at 0° on the original (mechanical) setting circles. Rotate the original RA (mechanical) setting circles so RA = 00. Move the telescope toward the Western Horizon so RA = 18 hrs. and it should read 090+000. If it reads 270+000, then go back to the INSTALL mode and change the +/- sign for the “R” encoder ratio and repeat the test. If you get any other values, check the encoder ratios in INSTALL mode. Also make sure the encoders and hardware are properly installed; make sure all setscrews are tight.

Altazimuth Telescopes: Turn on Sky Wizard and position the telescope vertically if scope type AV was selected in the INSTALL mode or horizontally if AZ was selected for scope type, as requested by the instrument. Press ENTER and then the Mode button. Scroll to the ENC TEST mode to display encoder angle. In AV mode, move the altitude axis down approximately 45° from vertical. Move it up 45° in AZ mode. Check that the display shows 000+045. If the display is in agreement with the telescope position, then the altitude encoder polarity is correct and no change to the encoder ratio is required. If the display reads 000-045, then the polarity of the “D” encoder ratio in the INSTALL mode must be changed. If the second numerical value is not 045, then either the encoder ratio is incorrect, or the encoder is not properly coupled to the altitude axis of the telescope mount. Check to see if you have entered the correct encoder ratios in the INSTALL mode. Also check to make sure the connection of the encoder to the altitude axis of the mount is proper and secure. If the display reads 090+000 (change in first numerical value, no change in second numerical value), then the leads from the Sky Wizard cable are reversed; swap the leads by first disconnecting them from the encoders and then re-attaching them to the opposite encoder. If the display reads 000+000, then the encoder is not properly “speaking” to the Sky Wizard; usually this is due to the fact that the cable lead attached to the encoder is installed upside down. Remember that the wires on the ends of the leads should extend away from the encoder shaft.

Press the MODE button and scroll to ENC TEST and press ENTER. Move the telescope about the azimuth bearing clockwise 1/4 of a circle turn. The azimuth should increase from 0° to 90° (first numbers) if you rotate the telescope 90° clockwise. The display should now read 090+045, where the +045 is from the test of the altitude axis. If the values are off, check the encoder ratios in the INSTALL mode. Make sure the encoders and hardware are installed correctly. If the display is in agreement with the telescope position, then the altitude encoder polarity is correct and no change to the gear ratio is required. If the display reads 270+045, then go back to the INSTALL mode and change the +/- sign for the “R” encoder ratio. Remember to go all the way through the install mode until the word INSTALL reappears to update the change.

Startup Index Mark

Once you have finished running INSTALL to tell Sky Wizard about your telescope, there is one final step which need only be done one time. In the SETUP command, you will see that

your telescope mount needs to be aimed to a particular position once each time you set up to observe. The accuracy of Sky Wizard is dependent upon you accurately setting the initial index mark for this position, so take your time.

Equatorial Mounts: If your telescope has an equatorial mount with mechanical setting circles, then the declination setting circle will serve nicely for the DEC=0 initial position reference mark.

First, verify that the Dec. setting circle is accurately set by aiming your telescope to 90° declination (telescope aimed up the polar axis). Rotate the telescope in R.A. and look for any tube “wobble.” You can verify this by looking through an aligned finder to see that stars rotate around the middle of the field of view. If necessary, adjust the tube in declination so there is no wobble and reset the Dec. setting circle to 90°.

Another method for checking the Dec. setting circle on Fork Mounted Equatorial telescopes is to use a bubble level. This should be done using a carpenter’s level, before going out into the field. Take the telescope off the wedge and put it on a level surface. Make sure the drive base is level and the telescope is pointed straight up with the corrector end away from the drive base and the Dec. = 90. Place the level across the front of the corrector cell, perpendicular to the fork arms. Adjust the Dec. slow motion until it is level. Adjust the Dec. setting circle to read exactly 90°.

Now, when the STARTUP mode initially prompts you to set the telescope to DEC=0, you can be assured that the Dec. setting circle will accurately indicate the 0° declination position.

German-type Equatorial Mounts: These mounts have two possible positions for the 0° declination setting required during initialization. It is important to use the correct one, or the encoder sensing will be backwards. The telescope should be aimed generally eastward when the declination is set to 0°. Determine which of the two zero degree settings marks corresponds to this direction, and place an indicating mark there for future use.

For Altazimuth or Dobsonian: Put a simple index alignment mark on your scope to save time in the future. You can choose to make the index mark with the telescope aiming either vertically or horizontally, depending on your choice of mount type in the INSTALL program (AV or AZ).

A precisely vertical orientation of the telescope tube can be determined by positioning the telescope roughly vertical and rotating the telescope around the azimuth axis. If the tube appears to wobble as you rotate it, readjust the vertical positioning until the apparent wobbling goes away. Better yet, use a carpenter’s level across the top of the tube; when the top of the tube is level, the telescope is precisely vertical. Mark a line on the telescope bearing and on the base to use for an index mark. If using a Dobsonian, you can alternatively install a “stop” in the base so the telescope stops at exactly the vertical position.

A horizontal reference mark can be made by placing the telescope base on a very level surface, and then leveling along the telescope tube with a carpenter’s level. Mark a line on the telescope bearing and on the base to use for an index mark.

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2. Operation

Overview

Sky Wizard 1 has seven operating modes. Each mode or function runs a computer program to perform a different task. Pressing the MODE button shows the current mode. Change to a different mode by pressing either SELECT button (up or down arrow). The SELECT buttons are always used for scrolling through the list of available choices. The UP button advances through the list in a forward direction, the DOWN button moves backwards.

The operating modes are:

SETUP Run at the beginning of each observing session.

RA DEC Displays celestial coordinates.

CATALOG Display or choose an object in one of the

catalogs.

FIND Tell Sky Wizard to display direction/distance

to the last object chosen in one of the catalogs.

SYNC Tell Sky Wizard the current object has been

exactly centered—“tweaks” the current alignment.

INSTALL Used when you first install Sky Wizard on your

telescope.

ENC TEST Test mode—verifies encoder rotation and

correct installation.

Power On Initialization

When you first turn on Sky Wizard, you need to aim the telescope to a particular position so the angle of one encoder to the telescope is known. This step is critical to accuracy. Depending on the type of mount you have, the display shows one of the following messages: DEC=0, LEVEL ME, or VERTICAL.

Turn on Sky Wizard. It will briefly display the startup message ORION SKY WIZARD V 1.14. The numbers displayed are the software version number. Sky Wizard will display one of the following depending on the mount type choice you made when you ran INSTALL. (See Installation for more information).

DEC=0 (Equatorial mount) Set telescope declination to the 0° index mark, on the mechanical setting circles. You must verify that your mechanical setting circles are EXACT your first time out. (German Equatorial mountings must have the encoder initialized with the declination axis set at the east of the meridian zero declination, the optical tube on the West side.) See “Startup Index Mark” for more information.

LEVEL ME (Altazimuth mount type AZ) Aim telescope tube horizontally to your index mark (telescope aimed at the horizon if scope base is level). The telescope tube must be exactly parallel with the bottom of the rocker box. You must verify that this is exact with a bubble level your first time out.

VERTICAL (Altazimuth mount type AV) Aim telescope tube vertically to your index mark (telescope aimed directly overhead if scope base is level). The telescope must be exactly

perpendicular to the bottom of the rocker box. You must verify this is exact with a bubble level your first time out.

After you have moved the telescope to the correct initial position, press ENTER. Sky Wizard will then switch to SETUP mode.

(If you make a mistake in initializing the mount alignment, turn Sky Wizard off and back on again to restart. There is no other way to repeat mount initialization.)

The initialization steps above are critical to the pointing accuracy of the Sky Wizard. For example, an error of 1° on the initialization will result in errors of up to 2°. Follow the steps carefully in Startup Index Mark (page 5).

SETUP Star Alignment

Before Sky Wizard can tell you where to point your telescope, it needs to get its bearings on the sky. You must do this at the start of each observing session. SETUP mode automatically accesses a short list of 28 named navigational stars (listed in The Setup Star List on page 13). The brightest stars from both the Northern and Southern hemispheres are included. These familiar bright stars cover the sky so at least two are visible at any time. You’ll need to point your telescope to two known stars, tell Sky Wizard which ones they are, and you’re ready to go.

To perform the setup star alignment:

1. Pick a bright known star from the list and center it in the telescope’s eyepiece.

2. Press MODE. If SETUP is not displayed, use the arrow keys to display SETUP. Press ENTER.

3. Scroll through the star list to find the name of the star centered in the eyepiece, then press ENTER.

4. Choose another bright star for the second alignment star and repeat step 3. For best results the two stars should be at least 60° apart. Avoid stars near the pole.

After Sky Wizard determines the transformation resulting from star alignment, it displays a measure of how well the alignment agrees with its star data. This “warp factor” is 0.0 for perfect alignment, but an acceptable range is ±0.8. The display will show the warp for about 2 seconds. This represents the error in degrees and tenths. Example: WARP=+0.5.

Only consider the warp factor after the second alignment star is entered. If the warp factor is greater than 0.8, check to be sure you have correctly identified the setup stars and repeat the setup operation. Make sure that your Startup Index Mark is exact. Never assume, for example that the mechanical setting circles are exact for the DEC=0 index mark. Always double check the accuracy of the index mark, especially on your first night out. If the warps are larger than 10, check the encoder polarity and encoder ratios. Always do the ENC TEST (Encoder Direction Test) after installing the Sky wizard, before you go out at night for the first time.

Note: if your telescope mount does not have the two axes perfectly set at 90° apart, it may be impossible to reach an acceptable warp factor. If this happens, correct the telescope mount.

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ENC TEST

The Encoder Direction test must be done after installing the Sky Wizard on the telescope, before going out at night for the first time. This allows verification that the encoders are functional and move in the correct direction and amount. The unit of measure is whole degrees.

For equatorial mounts, the display shows RA on the left and Dec. on the right. The display will show both 000 on the right ascension axis, and +000 on the declination axis. The RA increases from 000 to 090 as you move toward the West 90°. The Dec. increases from +000 to +090 as you move the telescope North 90°.

For an altitude/azimuth telescope mounting the display identifies the first numbers 000 as the azimuth axis, and the second numbers +000 as the altitude axis. Azimuth should start at 000, and increase to 090 when rotated 1/4 turn clockwise. Altitude is +000 when horizontal and +090 when vertical. Motion of the telescope will change the encoder angles. For more details, see Encoder Direction Test. (pg. 5)

RA DEC

Displays right ascension and declination, providing a continuous display of telescope position. Example: 0742+281. This example shows a right ascension of 7 hours and 42 minutes, and a declination of north 28.1 degrees.

(Note that the final digit in the declination is in tenths of a degree.)

CATALOG

This mode retrieves information from one of Sky Wizard’s six separate catalogs. Select this mode by pressing MODE, then either UP or DOWN until CATALOG is displayed, then press ENTER. Press the UP or DOWN arrows to select one of the catalogs, then press ENTER when the catalog you prefer is displayed.

Catalogs available (and typical display):

Star catalog: ST001

Messier catalog: M001

Planets catalog: PLANETS

The first time a catalog is used, the display will show its first entry. For example, the Messier catalog displays M001, which happens to be the Crab Nebula. The “M” will be blinking.

The ST (Star) Catalog contains the 28 alignment stars. The complete list is included in the back of this manual. First look up the object, select CATALOG mode, choose ST, and enter the index number using the arrow buttons to set the blinking digit, pressing ENTER to advance to the next digit to be set. Press ENTER after setting the last digit and the display will show the coordinates.

Example CATALOG display for selecting an object from the star (ST) list: Enter number: ST27 Coordinates: 0513+028 Description: MAG=4.5 SIZE=7.0 RHO ORION COLORED DOUBLE STAR

The MESSIER catalog contains the full historical list of 110 objects cataloged by the famous French astronomer Charles Messier. These objects are the most popular objects observed by amateur astronomers. (The catalog list includes objects now known to be duplicates or asterisms, which are identified in the description.) Select CATALOG with the MODE button and press ENTER. If you are already in CATALOG, simply press the arrow buttons to switch between the three groups and press ENTER. The display will show M001. Enter the desired value of the blinking digit using the arrow buttons and press ENTER to advance to the next digit. When the last digit has been set, press ENTER and the display will show the M number. Press ENTER again to show the coordinates for the selected object. Press ENTER again for a scrolling description which includes magnitude, popular name, constellation and description.

Example CATALOG display for selecting an object from the Messier (M) list:

Catalog number: M027

Celestial coordinates: 2000+227

Description: M027 MAG=8.0 SIZE=480

DUMBBELL NEBULA VULPECULA

PLANETARY NEBULA IRREGULAR

The PLANETS Catalog consists of the major planets in the solar system. The planetary positions are calculated according to the date. While the date is not required for any other type of celestial subject, it is necessary for calculating correct planet positions. Sky Wizard will remind you to enter the date the first time you choose the Planets catalog during an observing session.

Press MODE, scroll to CATALOG, press ENTER. Scroll to PLANETS and press ENTER. When DATE appears, press ENTER. The last calendar date entered will be displayed. This date is used in the planetary orbit calculations. The range of years is from 1950 to 2050. Press ENTER again. The display order is Month, Date, and Year. The digits may be set sequentially using the UP and DOWN buttons to set each digit. Press ENTER when each digit is set to the desired value. After setting all the digits of the date, press UP or DOWN to select a planet.

The UP and DOWN buttons will allow you to scroll through the list of planets. Press enter to display the current coordinates of the planet.

Example CATALOG display for selecting a planet:

MERCURY

VENUS

MARS

JUPITER

SATURN

URANUS

NEPTUNE

PLUTO

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FIND

The FIND mode provides steering directions to a pre-selected object in the catalog. Pick an object from any of the catalog databases, then press MODE to return to the mode selector, and press UP or DOWN until FIND is displayed, then press ENTER. FIND takes the last object selected from the CATALOG, compares the object’s coordinates with the current telescope position, and displays steering directions. The unit of measure is degrees from the current position. Suppose, for example, we selected M27, but the telescope got bumped a few degrees before we could see it. Use the FIND mode and move the telescope as indicated to make the displayed deviation zero. The indication shows 2.3° left and 1.5° up.

Press ENTER to obtain a scrolling description.

Guide display arrows: 2.3

Description: M027 MAG=8.0 SIZE=480

DUMBBELL NEBULA VULPECULA PLANETARY NEBULA IRREGULAR SA=08

As you move the telescope the numbers will count down until the object is recentered and the distance displayed is 0.0°. If the distance back to the object is greater than 10° in either direction, the steering will be in whole 1° increments. Once the object is within 10° of center the instrument will display finer resolution steering directions of 0.1°. The following sequence of guiding displays shows how the guiding arrows and digits change as the object is approached and then passed.

 36 17 24 2.3 1.5 0•00•0 1.4 0.8

The FIND mode displays guide directions based on each axis of motion of the telescope mount. Motion in one axis will not cause the other deviation display to change.

Scrolling UP or DOWN while in FIND mode will tell Sky Wizard to find the next object in the previously selected catalog database.

If your telescope has a German-type equatorial mount, Sky Wizard allows for the two possible ways to point at an object. Sky Wizard will display the path from the current position that involves the least turning. Should the observer want to “flop” the telescope 180°, Sky Wizard will guide you to that position too.

SYNC

This function is usually used only when the objects are not centered in the field of view. This can be used as an alignment “fine tuning” since it allows any star or object in the database to be used for alignment. For example, center the Messier object M37 in the eyepiece. Enter CATALOG mode and look- up M37 in the M list, then switch to SYNC mode. Press the ENTER button to choose this as a new alignment fix. This function is useful for obtaining a new alignment fix during the middle of an observing session to correct small coordinate errors that may accumulate due to slight misalignments of the encoder installation. When you SYNC, Sky Wizard will display the object as a reminder. Example: SYNC M037. If you SYNC with the wrong subject, Sky Wizard may become disoriented and you will need to run SETUP again to re-orient accurately to the sky.

 1.5

3. Sample Observing Session

Power On & Setup Alignment

Let’s pretend we are observing through our telescope with an equatorial mount. We turn on the Sky Wizard. It will briefly display the startup message ORION SKY WIZARD V1.14 (1.14 is the software version number). Then it will display DEC=0, this indicates that you need to point the telescope to declination equal to 0° (using the mechanical setting circles), where the optical axis is perpendicular to both the right ascension and declination axis. This step is critical to accuracy.

(German-type Equatorial mountings must have the encoder initialized with the declination axis set at the east of the meridian zero declination. Be sure to use the Dec. 0° mark which coincides with the telescope aiming toward East.)

Press ENTER when the declination angle is set at 0°. The display will then say SETUP. Position the telescope so a familiar bright star is centered in the eyepiece. Press ENTER and use the arrow buttons to scroll through the list of 28 stars until you find the name of the star that is in the eyepiece. Press the ENTER button again. A second star must be sighted in another region of the sky. You must sight on 2 stars for all mount types. The first star sighting should be at least 60° from the celestial pole, a second star should be between 60° and 120° from the first star. It is best NOT to use Polaris for the second star.

After a second star is centered in the telescope’s eyepiece, again scroll through the list of alignment stars, and press ENTER once the star name on the display matches the star centered in the eyepiece. After the second alignment star is entered, the Sky Wizard is aligned.

For example we will use Regulus, the bright star at the base of the backward question mark of Leo as a first alignment star. In the SETUP mode the display will show the first star name in the list of 28 bright stars. The first star in the list is Achernar, and the display will read ACHERNAR.

We want to use the star Regulus for our first star sighting, so press and hold the UP arrow button to advance through the list of star names. If you went past Regulus while scrolling, simply press the DOWN arrow button to back up. Release the button when the display reads REGULUS.

Verify the star is centered in the telescope eyepiece and press the ENTER button. For optimal coverage of the sky, pick a second star that is between 60° and 120° away from the first star. After the first star sighting, simply press one of the arrow buttons to advance to another star name. To find Mizar, for example, press the UP arrow button until the display reads MIZAR. Center Mizar in the eyepiece and press the ENTER button. The second star sighting is now complete.The display will show the warp factor which is a measure of the amount of agreement between the catalog angles and the measured angles between sighted stars. Example WARP=-0.4

RA DEC Mode

Press the MODE button to exit SETUP. Scroll the UP or DOWN to select the RA DEC mode for display, then press

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ENTER. Sky Wizard will now display the celestial coordinates for any telescope position. In our example the display now reads the coordinates for Mizar since that is where the telescope is currently pointed. The display reads 1324+549.

Swing the telescope around and observe how quickly the instrument tracks the telescope position. The high resolution encoders are very sensitive to small motions. Sky Wizard can track motions as great as 100° per second, which is faster than you would probably dare move a delicate optical instrument. Sky Wizard locks on to the current position instantly and provides a steady display of the computed celestial coordinates.

Let’s do some observing. We have a long session ahead if we want to view all the Messier objects, interesting stars and the entire list of user catalog objects. Fortunately, Sky Wizard will make the search quite easy. It’s time to use the powerful data-

base and the smart function called FIND.

To start, let’s just stay in RA DEC mode and swing the telescope around to one of our favorites, M37 in the constellation Auriga. The coordinates are 0552+326. We are currently positioned on Mizar at 1324+549. Experiment by moving the telescope around to increase and decrease the two coordinates. Take a couple of minutes to master this action as you become familiar with the relationship between the telescope coordinate system and the celestial coordinate system. When the display reads “0552+326,” take a look through the eyepiece. M37 is right there, a nice galactic cluster with red giant stars, proof that the installation is functioning correctly and the alignment stars were carefully centered in the eyepiece during alignment.

Using the CATALOG

Now that we are pointed at M37 we would like to see the other Messier object M36, but we forgot to bring our charts and handbooks. Press MODE and select CATALOG, then press ENTER. We are now in the Sky Wizard database. The display shows M001 when we enter this mode. Press ENTER to choose the Messier catalog, then press the UP or DOWN select buttons to enter the number 036. We set one digit at a time, much like a digital wrist watch, by changing the value of the blinking digit.

CATALOG initial setting: M001

Setting digits to M36: M036

Press the ENTER button to advance to the next blinking digit and use the UP or DOWN buttons to increment or decrement the value. Press ENTER after setting the last digit and the display will show the coordinates.

M36 coordinates: 0536+341

M36 scrolling description: M036 MAG 6.0 SIZE=11 AURIGA

OPEN CLUSTER RICH SA=05

We now have the coordinates for M36. There are two ways to go from here. We can remember the coordinates and switch to RA DEC mode to steer the telescope, or use the FIND mode to give us steering directions to the object from our current position. The FIND mode indicates just how much motion is required for each axis of rotation.

Using the FIND Function

Press the MODE button and select FIND, using the arrow buttons to scroll through the choices. The instrument remembers the object “M036” as the last item selected, and shows the steering distances in degrees from our current position. FIND shows 6.4

6.4° West of our current position. When the object is centered the distances displayed will be zero.

FIND directions: 6.4

Objectcentered: 0•00•0

While in FIND mode with M36 centered, press the ENTER button again to see the name of the object which is of course M36. This observing session is off to a good start.

 17, indicating that M36 lies 17° South and

 17

Page 9

Using the SYNC Function

While observing we notice most of the objects are off toward the same edge of the field of view when we zero the FIND display. Probably we bumped the telescope base or were off a little when we sighted a star. We can have Sky Wizard slightly adjust the alignment by simply centering the last object we located with FIND, then press MODE and select SYNC, then press ENTER. The next object should then be more accurately centered.

If SYNC makes things worse, you may have been aiming at the wrong object. Just turn off Sky Wizard and align again from scratch.

4. Specifications

Dimensions 2.4" x 3.8" x 1.0"

Weight 4 ounces including 9v battery

Temperature Range -10°C to +50°C

Telescope types Equatorial, Altitude/Azimuth

(Dobsonian)

Display Light-emitting diode (LED), red

color, 8-character alphanumeric

Display Dimming 4-step pushbutton dimming 10:1

from full bright to full dimmed

Display Resolution 1m right ascension, 10' declination

0.1° in guide mode

Display Modes SETUP function, alignment mode

that uses short star list

RA DEC function, right ascension

and declination

CATALOG, complete database of

celestial objects from 3 sources

FIND function, displays steering

coordinates to object

SYNC function, alignment mode

that uses complete catalog

INSTALL telescope installation

ENC TEST function, shows

encoder angles

Database Complete list of 110 Messier objects,

including galaxies and galaxy clusters, planetary nebulas, globular clusters, open clusters.

Planets (8)

Alignment star list of 28 bright

navigational stars

Equatorial Setup Based on two star sightings, polar

alignment not required. Declination must initially be set to Dec=0. Latitude, longitude, date, and time not required.

Alt/Azimuth Setup Requires two star alignment and

orthogonal positioning of encoder axes. No input for latitude, longitude, date, or time required.

User Catalog Retained without electrical power in

nonvolatile memory

Customization Retained without electrical power in

nonvolatile memory

Coordinate Epoch AD 2000

Sensing Method Optical encoders, quadrature

Encoder Resolution Standard resolution 2160-step, 0.17°

encoders

High-resolution 4000-step, 0.09°

encoders

Encoder gearing Any ratio between 1:1 to 1:4 for high

resolution

Any ratio between 1:1 to 1:8 for low

resolution

Angle representation 16 bits

Vector representation 48 bits

Sidereal Clock accuracy 0.05%

Stopwatch accuracy 0.05%

Power Requirements 5.1 to 12 volts DC

16 mA, display fully dimmed, typical

47 mA, display maximum brightness,

typical

Reverse polarity protected

Battery Recommended 9-volt alkaline batterymay be

operated on external 12-volt DC power supply

Battery Life 30 hours with display fully dimmed

Encoder Dimensional Drawings:

Standard (2160 step) encoder

High Resolution (4000 step) encoder

Page 10

5. Catalog Listings

Messier Catalog Database

Cat# Name RA h m.m Dec ° ' Size Mag Const Description

M001 Crab Nebula 05 34.5 +22 01 6 8.4 Tau nebula

M002 21 33.5 -00 49 12.9 6.5 Aqr globular cluster highly resolved

M003 13 42.2 +28 23 16.2 6.4 CVn globular cluster highly resolved

M004 16 23.6 -26 32 26.3 5.9 Sco globular cluster highly resolved

M005 15 18.6 +02 05 17.4 5.8 Ser globular cluster highly resolved

M006 Butterfly Cluster 17 40.1 -32 13 15 4.2 Sco open cluster rich

M007 17 53.9 -34 49 80 3.3 Sco open cluster bright scattered

M008 Lagoon Nebula 18 03.8 -24 23 90 5.8 Sgr nebula with dust and cluster

M009 17 19.2 -18 31 9.3 7.9 Oph globular cluster mottle

M010 16 57.1 -04 06 15.1 6.6 Oph globular cluster highly resolved

M011 Wild Duck Cluster 18 51.1 -06 16 14 5.8 Sct open cluster dense

M012 16 47.2 -01 57 14.5 6.6 Oph globular cluster highly resolved

M013 Great Hercules 16 41.7 +36 28 16.6 5.9 Her globular cluster highly Cluster resolved

M014 17 37.6 -03 15 11.7 7.6 Oph globular cluster

M015 21 30.0 +12 10 12.3 6.4 Peg globular cluster highly resolved

M016 Eagle Nebula 18 18.8 -13 47 35 6.0 Ser nebula with dust and cluster

M017 Swan Nebula 18 20.8 -16 11 46 6.0 Sgr nebula

M018 18 19.9 -17 08 9 6.9 Sgr open cluster bright scattered

M019 17 02.6 -26 16 13.5 7.2 Oph globular cluster

M020 Trifid Nebula 18 02.3 -23 02 29 6.3 Sgr nebula with dust

M021 18 04.6 -22 30 13 5.9 Sgr open cluster rich

M022 18 36.4 -23 54 24 5.1 Sgr globular cluster highly resolved

M023 17 56.8 -19 01 27 5.5 Sgr open cluster dense

M024 18 18.4 -18 25 5 11p Sgr open cluster dense

M025 18 31.6 -19 15 32 4.6 Sgr open cluster bright scattered

M026 18 45.2 -09 24 15 8.0 Sct open cluster rich

M027 Dumbbell Nebula 19 59.6 +22 43 480" 7.4 Vul planetar y nebula irregular

M028 18 24.5 -24 52 11.2 6.9 Sgr globular cluster highly resolved

M029 20 23.9 +38 32 7 6.6 Cyg open cluster bright scattered

M030 21 40.4 -23 11 11 7.5 Cap globular cluster highly resolved

M031 Great Andromeda 00 42.7 +41 16 178 3.5 And very elongated galaxy Galaxy dusty with bright core

M032 00 42.7 +40 52 7.6 8.2 And round galaxy with bright core

M033 Pinwheel Galaxy 01 33.9 +30 39 62 5.7 Tri spiral galaxy structure with

bright knots

M034 02 42.0 +42 47 35 5.2 Per open cluster rich

M035 06 08.9 +24 20 28 5.1 Gem open cluster rich

M036 05 36.1 +34 08 12 6.0 Aur open cluster rich

M037 05 52.4 +32 33 24 5.6 Aur open cluster dense

M038 05 28.7 +35 50 21 6.4 Aur open cluster rich

M039 21 32.2 +48 26 32 4.6 Cyg open cluster bright scattered

M040 Winnecke 4 12 22.4 +58 05 50" 9.0 UMa double star

M041 06 47.0 -20 44 38 4.5 CMa open cluster dense

M042 Great Orion Nebula 05 35.4 -05 27 66 4.0 Ori nebula

M043 05 35.6 -05 16 20 9.0 Ori nebula bright with dust

M044 Beehive Cluster 08 40.1 +19 59 95 3.1 Cnc open cluster bright scattered

M045 Pleiades 03 47.0 +24 07 110 1.2 Tau open cluster with nebulosity

M046 07 41.8 -14 49 27 6.1 Pup open cluster dense

M047 07 36.6 -14 30 30 4.4 Pup open cluster dense

M048 08 13.8 -05 48 54 5.8 Hya open cluster rich

M049 12 29.8 +08 00 8.9 8.4 Vir round galaxy with bright core

M050 07 03.2 -08 20 16 5.9 Mon open cluster rich

M051 Whirlpool Galaxy 13 29.9 +47 12 11 8.4 CVn spiral galaxy structure attached

companion

M052 23 24.2 +61 35 13 6.9 Cas open cluster dense

M053 13 12.9 +18 10 12.6 7.7 Com globular cluster highly resolved

M054 18 55.1 -30 29 9.1 7.7 Sgr globular cluster mottled

M055 19 40.0 -30 58 19 7.0 Sgr globular cluster highly resolved

M056 19 16.6 +30 11 7.1 8.3 Lyr globular cluster highly resolved

M057 Ring Nebula 18 53.6 +33 02 86" 8.8 Lyr planetar y nebula ring with

central star

M058 12 37.7 +11 49 5.4 9.8 Vir round galaxy with bright core

M059 12 42.0 +11 39 5.1 9.8 Vir elongated galaxy with bright core

M060 12 43.7 +11 33 7.2 8.8 Vir round galaxy with bright core

M061 12 21.9 +04 28 6 9.7 Vir spiral galaxy structure

M062 17 01.2 -30 07 14.1 6.6 Oph globular cluster

M063 13 15.8 +42 02 12.3 8.6 CVn elongated galaxy with bright core

M064 Black-eye Galaxy 12 56.7 +21 41 9.3 8.5 Com elongated galaxy dusty

M065 11 18.9 +13 05 10 9.3 Leo very elongated galaxy with

bright core

M066 11 20.2 +12 59 8.7 9.0 Leo spiral galaxy structure

M067 08 50.4 +11 49 30 6.9 Cnc open cluster dense

M068 12 39.5 -26 45 12 8.2 Hya globular cluster highly resolved

M069 18 31.4 -32 21 7.1 7.7 Sgr globular cluster

M070 18 43.2 -32 18 7.8 8.1 Sgr globular cluster

M071 19 53.8 +18 47 7.2 8.3 Sge globular cluster highly resolved

M072 20 53.5 -12 32 5.9 9.4 Aqr globular cluster

M073 20 59.0 -12 38 2.8 8.9p Aqr asterism

M074 01 36.7 +15 47 10.2 9.2 Psc spiral galaxy structure

M075 20 06.1 -21 55 6 8.6 Sgr globular cluster unresolved

M076 Little Dumbbell 01 42.3 +51 34 163" 10.1 Per planetary nebula irregular

M077 02 42.7 -00 01 6.9 8.8 Cet round galaxy with bright core

M078 05 46.7 +00 03 8 8.0 Ori reflection nebula bright

M079 05 24.5 -24 33 8.7 8.0 Lep globular cluster highly resolved

M080 16 17.0 -22 59 8.9 7.2 Sco globular cluster mottled

M081 09 55.6 +69 04 25.7 6.9 UMa spiral galaxy structure

M082 09 55.8 +69 41 11.2 8.4 UMa very elongated galaxy with dust

and bright knots

M083 13 37.0 -29 52 11.2 7.6 Hya barred spiral galaxy structure

M084 12 25.1 +12 53 5 9.3 Vir round galaxy with bright core

M085 12 25.4 +18 11 7.1 9.2 Com round galaxy with bright core

M086 12 26.2 +12 57 7.4 9.2 Vir round galaxy with bright core

M087 Virgo A 12 30.8 +12 24 7.2 8.6 Vir round galaxy with bright core

M088 12 32.0 +14 25 6.9 9.5 Com very elongated galaxy with

bright core

M089 12 35.7 +12 33 4.2 9.8 Vir round galaxy with bright core

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M090 12 36.8 +13 10 9.5 9.5 Vir very elongated galaxy with

bright core

M091 12 35.4 +14 30 5.4 10.2 Com elongated galaxy with bright core

M092 17 17.1 +43 08 11.2 6.5 Her globular cluster highly resolved

M093 07 44.6 -23 52 22 6.2 Pup open cluster dense

M094 12 50.9 +41 07 11 8.2 CVn elongated galaxy with bright core

M095 10 44.0 +11 42 7.4 9.7 Leo barred spiral galaxy structure

M096 10 46.8 +11 49 7.1 9.2 Leo round galaxy with bright core

M097 Owl Nebula 11 14.8 +55 01 202" 9.9 UMa planetary nebula irregular

M098 12 13.8 +14 54 9.5 10.1 Com very elongated galaxy with

bright core

M099 12 18.8 +14 25 5.4 9.8 Com spiral galaxy structure

M100 12 22.9 +15 49 6.9 9.4 Com round galaxy with bright core

M101 14 03.2 +54 21 26.9 7.7 UMa spiral galaxy structure with bright

knots

M102 15 06.5 +55 46 5.2 10.0 Dra very elongated galaxy dusty with

bright core

M103 01 33.2 +60 42 6 7.4 Cas open cluster rich

M104 Sombrero Galaxy 12 40.0 -11 37 8.9 8.3 Vir edge on galaxy dusty

M105 10 47.8 +12 35 4.5 9.3 Leo round galaxy with bright core

M106 12 19.0 +47 18 18.2 8.3 CVn spiral galaxy structure with

bright knots

M107 16 32.5 -13 03 10 8.1 Oph globular cluster

M108 11 11.5 +55 40 8.3 10.1 UMa very elongated galaxy with dust

and bright knots

M109 11 57.6 +53 23 7.6 9.8 UMa elongated galaxy with bright core

M110 00 40.4 +41 41 17.4 8.0 And elongated galaxy

6. The SETUP Star List

The SETUP mode contains a short list of 28 bright navigational stars which make the initial star alignment operation go very quickly; these are the same 28 stars that are in the ST Catalog. The short star list is arranged in alphabetical order by common name. If you choose a star from the SETUP list, you can then change to CATALOG mode for more informa- tion on the star; Sky Wizard will remember which star you have selected.

ST Catalog # Name RA DEC Size Mag Con Type

ST3 Achernar 01 37.7 -57 14 * 0.5 Eri star

ST25 Albireo 19 30.7 +27 58 34" 3.1 Cyg double star

ST6 Aldebaran 04 35.9 +16 31 * 0.9 Tau star

ST15 Alphard 09 27.6 -08 40 * 2 Hya star

ST21 Alpha Cen 14 39.6 -60 50 20" 0 Cen double star

ST1 Alpheratz 00 08.4 +29 05 * 2.1 And star

ST26 Altair 19 50.8 +08 52 * 0.8 Aql star

ST22 Antares 16 29.4 -26 26 3" 1 Sco double star

ST20 Arcturus 14 15.7 +19 11 * 0 Boo star

ST9 Betelgeuse 05 55.2 +07 24 * 0.5 Ori star

ST10 Canopus 06 24.0 -52 42 * -0.7 Car star

ST8 Capella 05 16.7 +46 00 * 0.1 Aur star

ST12 Castor 07 34.6 +31 53 2" 1.6 Gem double star

ST27 Deneb 20 41.4 +45 17 * 1.3 Cyg star

ST17 Denebola 11 49.1 +14 34 * 2.1 Leo star

ST28 Fomalhaut 22 57.6 -29 37 * 1.2 PsA star

ST5 Mirfak 03 24.3 +49 52 * 1.8 Per star

ST18 Mizar 13 23.9 +54 56 14" 2.3 Uma double star

ST2 Navi 00 56.7 +60 43 * 2.5 Cas star

ST4 Polaris 02 31.8 +89 16 18" 2 UMi double star

ST13 Procyon 07 39.3 +05 14 * 0.4 CMi star

ST23 Rasalhague 17 34.9 +12 34 * 2.1 Oph star

ST16 Regulus 10 08.4 +11 58 * 1.4 Leo star

ST7 Rigel 05 14.5 -08 12 9" 0.1 Ori double star

ST11 Sirius 06 45.1 -16 43 4" -1.5 CMa double star

ST19 Spica 13 25.2 -11 10 * 1 Vir star

ST14 Suhail 09 08.0 -43 26 * 2.2 Vel star

ST24 Vega 18 36.9 +38 47 * 0 Lur star

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7. Troubleshooting Your Sky Wizard

Readouts do not change when you move the scope.

1. The cables are probably plugged in upside down. Unplug

the cable from the encoder, turn it +180° and plug it back in. The correct orientation is that the wires coming out of the plug go away from (opposite of) the encoder shaft.

2. Check to see if the encoder setscrews are tight. On altaz

scopes, especially dobsonians, make sure the bottom azimuth bolt does not rotate.

“Encoder error” readout on Sky Wizard.

1. Check the battery, is it a NEW ALKALINE battery? This is

a big problem during colder winter weather. If you are observing in sub-zero weather, you might have to use two batteries, keeping one warm inside your coat. Never use regular, “Heavy Duty,” or rechargeable batteries.

2. Are the cables properly attached? Loose or broken wires

will show this error message.

3. Are you moving too fast? The Sky Wizard should not move

more than about 100° per second. Turning the encoders with your fingers when they are not on the scope can easily exceed this rate.

4. Switch the cables, does the “encoder error” change sides?

If the error changes from RA to Dec. (or Alt. to Az.), then it is possible that the cable is bad. Contact Technical Support at 1-800-676-1343.

The Sky Wizard cannot find anything.

The Wizard is way off. The scope points at the ground or is more than 20° off of known targets. Warp values are 20.0 or greater.

1. DO THE ENCODER DIRECTION TEST!!! The encoder direction test is the only way to sort out this problem. The problem is almost always encoder polarity or encoder ratios. Go into INSTALL mode and check to see that the encoder ratios are entered correctly. The encoder direction test also tells you if the encoders are hooked up backwards.

It is very common for the encoder polarity (+/-) to be back-

wards. If the encoder test goes the wrong way, simply go to INSTALL mode and change the polarity of the axis question. Be sure to turn off the unit, then back on before doing the encoder test again.

2. If you have a German equatorial mount, is your first star in SETUP mode in the Eastern part of the sky?

3. Are you sure you are on the correct sighting stars? Consult a star chart if there is ANY doubt.

The Wizard is close, but objects are not quite in the field. Warp values are less than 5.0.

1. This almost always means there is a problem with the startup index mark. You must take care to get this index mark exact. If you are one degree off, this could lead to pointing errors of up to two degrees. Go to the section on “Startup Index Mark”.

Page 13

8. Quick Reference

Basic Setup & Use

Important: Before using your Orion Sky Wizard for the first time you need to run the INSTALL program and enter the characteristics of your telescope and encoder installation. See Section 1 – Installation for detailed instructions.

Setup

1. Turn on Sky Wizard. After displaying the startup message, it will show one of the following messages depending on the type of mount:

Equatorial mounts: DEC=0—set telescope declination to 0° (Aim scope at celestial equator, 90° from the pole. Press ENTER. (German Equatorial mountings have two 0° indexes. Use the one that results in the telescope looking into the Eastern sky.)

Altazimuth mounts: (display depends on INSTALL choice made)

LEVEL ME—aim telescope tube horizontally to your index mark (telescope aimed at the horizon if scope base is level). Press ENTER.

VERTICAL—aim telescope tube vertical to your index mark (telescope aimed directly up if scope base is level). Press ENTER.

2. SETUP—Point telescope at a known bright star (not Polaris).

3. Scroll UP or DOWN to display the correct star name.

4. Press ENTER to confirm the star sighting.

5. Point the telescope to a second bright star over 60° away.

6. Scroll UP or DOWN to display the correct star name.

7. Press ENTER to confirm the star sighting.

8. The “warp” error is displayed. Example: WARP=0.6 The factor should be 0.8 or less. Verify star identification and start over if the factor is higher.

Displaying Celestial Coordinates

1. Press MODE.

2. Scroll UP or DOWN until RA DEC is displayed. Press ENTER.

Selecting a Celestial Object in the Catalog

1. Press MODE. Press UP or DOWN until CATALOG is dis- played. Press ENTER.

2. Scroll UP or DOWN to choose which catalog: ST, M, PLANETS. When the desired catalog is displayed press ENTER.

3. Scroll UP or DOWN to set the blinking digit to the desired catalog number. Press ENTER to advance to the next digit. Repeat until the complete catalog number is entered.

4. Press ENTER to finish the setting, Press ENTER again to display object coordinates. Press ENTER again to display scrolling object description.

Finding a Celestial Object With the Telescope

1. Select an object from a catalog as defined above.

2. Press MODE.

3. Press UP or DOWN until FIND is displayed. Press ENTER. The display shows the direction and distance to the object. Move the telescope so the numbers count down until the displayed angles are zero.

Your Orion Sky Wizard will provide years of viewing pleasure for you and your family.

Clear Skies!

Page 14

One-Year Limited Warranty

This Orion Sky Wizard one year from the date of purchase. This warranty is for the benefit of the original retail purchaser only. During this warranty period Orion Telescopes & Binoculars will repair or replace, at Orion’s option, any warranted instrument that proves to be defective, provided it is returned postage paid to: Orion Warranty Repair, 89 Hangar Way, Watsonville, CA 95076. If the product is not registered, proof of purchase (such as a copy of the original invoice) is required.

This warranty does not apply if, in Orion’s judgment, the instrument has been abused, mishandled, or modified, nor does it apply to normal wear and tear. This warranty gives you specific legal rights, and you may also have other rights, which vary from state to state. For further warranty service information, contact: Customer Service Department, Orion Telescopes & Binoculars, P. O. Box 1815, Santa Cruz, CA 95061; (800) 676-1343.

™

1 is warranted against defects in materials or workmanship for a period of

Orion Telescopes & Binoculars

Post Office Box 1815, Santa Cruz, CA 95061

Customer Support Help Line (800) 676-1343 • Day or Evening