Celestron Advanced Series C5-S Manuel d'utilisateur

AAddvvaanncceedd SSeerriieess AAddvvaanncceedd SSeerriieess GGGTTT INSTRUCTION MANUAL CC55--SS ●●

10 The knob is a tension fit, so sliding it on holds it in place. As mentioned above, there are two R.A. shafts, one on either side of the mount. I

11 3. Hold the visual back with the set screw in a convenient position and rotate the knurled slip ring clockwise until tight. Once this is done, y

12 • Finderscope • Finder Bracket • Rubber O-ring • Three Nylon Tipped Thumbscrews (10-24x1/2") • Two Phillips Head Screws (8-32x1/2")

13 MMoovviinngg tthhee TTeelleessccooppee MMaannuuaallllyy In order to properly balance your telescope, you will need to move your telescope man

14 BBaallaanncciinngg TThhee MMoouunntt iinn DDEECC Although the telescope does not track in declination, the telescope should also be balanced

15 For Advanced GT users, it may be helpful to remove the front latitude adjustment screw completely. This will allow the mount to reach lower latitu

16 The Advanced Series GT, computerized version of each telescope has a hand controller designed to give you instant access to all the functio

17 4. Catalog Keys: The Advanced Series has keys on the hand control to allow direct access to each of the catalogs in its database. The hand con

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

19 4. Select one of the four alignment methods as described below. Note: If incorrect information is entered into the hand control, the UNDO butt

2 INTRODUCTION ...

20 4. As with the Auto Align procedure, you will be asked to center the star in the crosshairs of the finderscope and then center the star in the ey

21 OObbjjeecctt CCaattaalloogg Selecting an Object Now that the telescope is properly aligned, you can choose an object from any of the catalogs

22 Tour Mode The Advanced Series telescopes include a tour feature which automatically allows the user to choose from a list of interesting objects

23 1 = .5x 6 = 64x 2 = 1x (sidereal) 7 = .5º / sec 3 = 4x 8 = 2º / sec 4 = 8x 9 = 3º / sec 5 = 16x SSeettuupp PPrroocc

24 GoTo Object: To go to any of the user defined objects stored in the database, scroll down to either GoTo Sky Obj or Goto Land Obj and enter t

25 Precise GoTo The Advanced Series telescopes have a precise goto function that can assist in finding extremely faint objects and centering object

26 minimum altitude limit to read +20º. This will make sure that the hand control only displays objects that are higher in altitude than 20º. If

27 telescopes azimuth in this position (by looking at Get Alt-Az under the Utilities menu) you can determine the telescopes azimuth at its most exten

28 Light Control – This feature allows you to turn off both the red key pad light and LCD display for daytime use to conserve power and to help pres

29 EQ NORTHEQ SOUTHOFFMODESIDEREALSOLARLUNARRATETRACKINGVIEW TIME-SITESETUP TIME-SITEANTI-BACKLASHFILTER LIMITSDIRECTION BUTTONSGOTO APPROACHAUTOGUID

3 Get Alt-Az ...

30 Figure 4-1 AA ccuuttaawwaayy vviieeww ooff tthhee lliigghhtt ppaatthh ooff tthhee SScchhmmiiddtt--CCaasssseeggrraaiinn ooppttiiccaall dd

31 Figure 4-3 The emblem on the end of the focus knob shows the correct rotational direction for focusing your telescope. Focusing The Schmidt-Casse

32 Let’s say, for example, you are using the 40mm Plossl eyepiece. To determine the magnification you simply divide the focal length of your tele

33 Up to this point, this manual covered the assembly and basic operation of your telescope. However, to understand your telescope more thorough

34 Motion of the Stars The daily motion of the Sun across the sky is familiar to even the most casual observer. This daily trek is not the Sun mov

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

36 4. Center Polaris in the field of the telescope using the fine adjustment controls on the mount. Remember, while Polar aligning, do NOT move t

37 Declination Drift Method of Polar Alignment This method of polar alignment allows you to get the most accurate alignment on the celestial pole

38 With your telescope set up, you are ready to use it for observing. This section covers visual observing hints for both solar system and d

39 Never project an image of the Sun through the telescope. Because of the folded optical design, tremendous heat build-up will result inside the op

4 Congratulations on your purchase of the Celestron Advanced Series telescope (AST)! The Advanced Series of telescopes come in standard (non-compu

40 rays from the same object arrive slightly displaced creating an imperfect or smeared image. These atmospheric disturbances vary from time-to-tim

41 After looking at the night sky for a while you may want to try photographing it. Several forms of celestial photography are possible with your

42• T-Max 400 • Any 100 to 400 ISO color slide film • Fuji Super HG 400 • Ektar 25 or 100 2. Center the Moon in the field of your telescope.

43act as a shutter. The card prevents light from entering the telescope while the shutter is released. Once the shutter has been released and the

44 There are several techniques for this type of photography, and the one chosen will determine the standard accessories needed. The best method fo

45There is no exposure determination table to help you get started. The best way to determine exposure length is look at previously published photo

46 Telescope Model Standard Cassegrain f/10 With Reducer/Corrector f/6.3 C5-S 49" (1250mm) 31" (788mm) C8-S 80" (2032mm) 50.4"

47 FFiigguurree 88--11 The three collimation screws are located on the front of the secondary mirror housing. While your telescope requires littl

48 Figure 8-3 A collimated telescope should appear symmetrical with the central obstruction centered in the star's diffraction pattern. To

49 You will find that additional accessories enhance your viewing pleasure and expand the usefulness of your telescope. For ease of reference, all

5 ASSE 1 Optical Tube 7 Tripod 2 Finderscope 8 Counterweight(s) 3 Finderscope Bracket 9 Count

50 Series 2 – #94119-20 Deep Yellow, Red, Light Green, ND25% T (#s 12, 25, 56, 96ND-25) Series 3 – #94119-30 Light Red, Blue, Green, ND50% T (#s 23A,

51 Radial Guider (#94176) - The Celestron Radial Guider® is specifically designed for use in prime focus, deep sky astrophotography and takes the pla

52 Appendix A – Technical Specifications Advanced Series 11071/11072 11025/11026 11045/11046 C5-S C8-S C9.25-S Specifications: Opt

53 Appendix B - Glossary of Terms A- Absolute magnitude The apparent magnitude that a star would have if it were observed from a standard dis

54 J - Jovian Planets Any of the four gas giant planets that are at a greater distance form the sun than the terrestrial planets. K - Kuiper Bel

55 telescope at this rate. The rate is 15 arc seconds per second or 15 degrees per hour. T - Terminator The boundary line between the light and

56 AAPPPPEENNDDIIXX CC LLOONNGGIITTUUDDEESS AANNDD LLAATTIITTUUDDEESS LONGITUDE LATITUDE degrees min degrees min ALABAMA Annis

57 LONGITUDE LATITUDE degrees min degrees min Melbourne 80 37.8 28 6 Miami 80 16.8 25 49.2 Naples 81 4.8 26 7.8 Nasa Shuttle 80 40.8

58 LONGITUDE LATITUDE degrees min degrees min Wurtsmith 83 2.4 44 27 Ypsilanti 83 31.8 42 13.8 MINNESOTA Albert Lea 93 22.2 43 4

59 LONGITUDE LATITUDE degrees min degrees min OKLAHOMA Altus AFB 99 16.2 34 40.2 Ardmore 97 1.2 34 18 Bartlesville 96 0 36 45 C

6 1 Optical Tube 9 Counterweight Bar 2 Finderscope 10 Declination Setting Circle 3 Finderscope Br

60 LONGITUDE LATITUDE degrees min degrees min Walla Walla 118 16.8 46 6 Wenatchee 120 1.2 47 24 Whidbey Is 122 39 48 21 Yakima 120

61 Appendix D - RS-232 Connection You can control your telescope with a computer via the RS-232 port on the computerized hand control and using

62 Additional RS232 Commands SSeenndd AAnnyy TTrraacckk RRaattee TThhrroouugghh RRSS223322 TToo TThhee HHaanndd CCoonnttrrooll 1. Multip

63 APPENDIX E – MAPS OF TIME ZONES

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7 This section covers the assembly instructions for your Celestron Advanced Series Telescope (AST). Your AST telescope should be set up indoor

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

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

8 AAttttaacchhiinngg tthhee EEqquuaattoorriiaall MMoouunntt The equatorial mount allows you to tilt the telescope’s axis of rotation so that you

9 IInnssttaalllliinngg tthhee CCoouunntteerrwweeiigghhtt Depending on which AST telescope you have, you will receive either one or two counterwe