Celestron 91517 Instruction Manual

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12 rotate the telescope so that the counterweight bar is pointing down before loosening the mounting platform screw. 6. Tighten the knobs on th

13 Both screws push off of the peg on the tripod head, which means you may have to loosen one screw while tightening the other. The screw that h

14 The following is a supplemental addendum to the included instruction manual that explains the new features of Celestron&ap

15 4. Catalog Keys: The Advanced Series has keys on the hand control to allow direct access to each of the catalogs in it

16 quadruple stars in the sky. Variable Stars Select list of the brightest variable stars with the shortest period of changing magnit

17 AAlliiggnnmmeenntt PPrroocceedduurreess In order for the telescope to accurately point to objects in the sky, it must first be aligned wi

18 list of either international or U.S. location. Custom Site allows you to enter the exact longitude and latitude of your observing site. Select

19 Meridian, simply press the MENU button before selecting your first alignment star. By default, Meridian filtering is enabled with the side of

20 One-Star Alignment works much the same way as Two-Star Align but uses only a single star in the sky for alignment. This method of alignment i

21 LLaasstt AAlliiggnnmmeenntt The Last Alignment method will automatically recall the last stored index positions to continue us

1 Optical Tube 7 Tripod 2 Finderscope 8 Counterweight(s) 3 Finderscope Bracket 9 Counterweight Ba

22 1. Select the desired star (or object) from the database and slew to it. 2. Once centered, press the UNDO button until you are at the main

23 Now that the telescope is properly aligned, you can choose an object from any of the catalogs in the telescope's extensive database. The

24 its filter limits). To locate the planets, press the PLANET key on the hand control. The hand control will display all solar system objects t

25 Pressing the RATE key (11) allows you to instantly change the speed rate of the motors from high speed slew rate to precise guiding rate or an

26 EQ North Used to track the sky when the telescope is polar aligned in the Northern Hemisphere. EQ South Used to track the sky when the tel

27 number of the object you wish to select and press ENTER. The telescope will automatically retrieve and display the coordin

28 Identify Identify Mode will search any of the telescope's database catalogs or lists and display the name and offset distances to the ne

29 Scope Setup Features Setup Time-Site - Allows the user to customize the telescope's display by changing time and location parameters (su

30 If you want to explore the entire object database, set the maximum altitude limit to 90º and the minimum limit to –90º. This will display eve

31 • Cone Value – This is the cone error value set when calibration stars are added • DEC Index - This is the declination index error value set

5 1 Optical Tube 9 Counterweight Bar 2 Finderscope 10 Declination Setting Circle 3 Findersco

32 R.A. Index Calibration - This procedure records the offset of the RA index marker from the meridian. To perform an RA Index Calibration, the

33 center Polaris in the eyepiece, the mount will then be pointed towards the actual North Celestial Pole. Once Polar Align is complete, you mus

34 Pressing UNDO at the Wake Up screen allows you to explore many of the features of the hand control without waking the telescope up from hiber

35 EQ NORTHEQ SOUTHOFFMODESIDEREALSOLARLUNARRATETRACKINGVIEW TIME-SITESETUP TIME-SITEANTI-BACKLASHFILTER

36 Latitude Scales The easiest way to polar align a telescope is with a latitude scale. Unlike other methods that require you to find the c

37 3. Adjust the mount in altitude until the latitude indicator points to your latitude. Moving the mount affects the angle the polar axis is p

38 (see Figure 5-5). Observers in the southern hemisphere are not as fortunate as those in the northern hemisphere. The stars around the south c

39 Again, make the appropriate adjustments to the polar axis to eliminate any drift. Unfortunately, the latter adjustments inter

40 CELESTRON TWO YEAR WARRANTY A. Celestron warrants this telescope to be free from defects in materials and workmanship for two years.

Celestron 2835 Columbia Street Torrance, CA 90503 U.S.A. Tel. (310) 328-9560 Fax. (310) 212-5835 Web site at http//ww

6 This section covers the assembly instructions for your Celestron Advanced Series CG-5 mount. Your mount should come with all of the follow

7 The tripod comes fully assembled with a metal plate, called the tripod head, that holds the legs together at the top. In addition, there is a

8 IInnssttaalllliinngg tthhee CCoouunntteerrwweeiigghhtt BBaarr To properly balance the telescope, the mount comes with a counterweight bar

9 AAttttaacchhiinngg tthhee HHaanndd CCoonnttrrooll HHoollddeerr ((AAddvvaanncceedd GGTT MMooddeellss OOnnllyy)) The Advanced

10 AAttttaacchhiinngg aann OOppttiiccaall TTuubbee ttoo tthhee MMoouunntt An optical tube attaches to the mount via a dovetail bar which

11 accurate tracking. To balance the mount: 1. Verify that the telescope is securely attached to the telescope mounting platform. 2. Loosen