Celestron CGE925 Manual de instrucciones

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10 Installing the Star Diagonal The star diagonal is a prism that diverts the light at a right angle to the light path of the telescope. This allow

11 focal length (i.e., the smaller the number) the higher the magnification. Generally, you will use low-to-moderate power when viewing. For more i

12 Moving the Telescope Manually In order to properly balance your telescope, you will need to move your telescope manually at various portions of t

13 Balancing The Mount in R.A. To eliminate undue stress on the mount, the telescope should be properly balanced around the polar axis. Proper bala

14 On/Off Switch12v DC PowerPower Cord Strain Relief 5. Slightly loosen the knobs that holds the telescope to the mounting platform and slide the te

15 6. Remove the center leg brace from the tripod. 7. Collapse the tripod legs inward, towards each other. The telescope is now broken down into

16 The CGE has a hand controller designed to give you instant access to all the functions the CGE has to offer. With automatic slewing to over 40

17 4. Catalog Keys: The CGE has keys on the hand control to allow direct access to each of the catalogs in its database. The CGE contains the fo

18 Alignment Procedures In order for the CGE to accurately point to objects in the sky, it must first be aligned to two known positions (stars) in

19 (10) to scroll through the choices. Refer to Time Zone map in Appendix for more information. • Date - Enter the month, day and year of your ob

INTRODUCTION...

20 Quick-Align Quick-Align uses all the date and time information entered at startup to align the telescope. However, instead of slewing to two ali

21 Object Catalog Selecting an Object Now that the telescope is properly aligned, you can choose an object from any of the catalogs in the CGE&apos

22 Tour Mode The CGE includes a tour feature which automatically allows the user to choose from a list of interesting objects based on the date and

23 up in the field of view of the eyepiece). However, if any of the slower slew rates (rate 6 and below) are used to center an object in the finders

24 sidereal time. Local sidereal time (LST) is useful for knowing the right ascension of celestial objects that are located on the meridian at that

25 Named Object or Messier catalogs, the hand control will let you know that the Ring Nebula (M57) is approximately 6° from your current position. S

26 button, go with the higher value for positive, but use a lower value for negative. CGE will remember these values and use them each time it is tu

27 • DEC Switch - This is the declination switch error value set when Utilities / Calibrate Mount / DEC Switch - Cone is carried out. • RA Switch

28 1. With the telescope set up and roughly positioned towards Polaris, align the mount using the AutoTwo-Star Alignment method. 2. Select Polar A

29 Turn On/Off GPS - If using your CGE telescope with the optional CN-16 GPS accessory (see Optional Accessories section of the manual), you will ne

3 Goto Alt-Az ...

30 CGE Menu Tree: The following figure is a menu tree showing the sub-menus associated with the primary command functions EQ NORTHEQ SOUTHOFFMODESID

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

32 Figure 4-3 The emblem on the end of the focus knob shows the correct rotational direction for focusing the CGE. Focusing The CGE's focusin

33 To convert degrees to feet at 1,000 yards, which is more useful for terrestrial observing, simply multiply by 52.5. Continuing with our example,

34 Up to this point, this manual covered the assembly and basic operation of your CGE telescope. However, to understand your telescope more thor

35 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

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 celestia

37 2. Loosen the DEC clutch knob and move the telescope so that the tube is parallel to the polar axis. When this is done, the declination setting

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

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

4 Congratulations on your purchase of the Celestron CGE telescope! The CGE ushers in the next generation of computer automated telescopes. The Ce

40 Observing the Sun Although overlooked by many amateur astronomers, solar observation is both rewarding and fun. However, because the Sun is so

41Seeing Seeing conditions refers to the stability of the atmosphere and directly affects the amount of fine detail seen in extended objects. The

42 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

43• 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 CGE telesco

44act as a shutter. The card prevents light from entering the telescope while the shutter is released. Once the shutter has been released and the

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

46Using Periodic Error Correction Once the telescope has been properly polar aligned, select PEC from the Utilities menu and press ENTER to begin r

47• Konica 3200 (color print) • Fujichrome 1600D (color slide) • 3M 1000 (color slide) • Scotchchrome 400 • T-Max 3200 (black and white print)

48 compatible CGE telescope's versatility allows it to be used in many different f-number configurations for CCD imaging. It can be used at f

49Fastar Lens Assem bl The key factors for good CCD imaging are; exposure time, field-of-view, image size, and pixel resolution. As the F/# goes

5 ASSE 1 Schmidt Corrector Lens 8 Control Panel (see below) 2 Optical Tube 9 Hand Control Holder / Strap 3 Finderscope 10 Hand Control 4

50with a 30 second exposure and can be improved upon dramatically if several 30-60 second exposures are added together . F/6.3 with Reducer/Correc

51Auto Guiding The CGE telescope has a designated auto guiding port for use with a CCD autoguider. The diagram below may be useful when connecting

52 While your CGE telescope requires little maintenance, there are a few things to remember that will ensure your telescope performs at its best.

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

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

55 Fastar Lens Assembly – (#94180 – 8", #94179 – 11", #94181 - 14 ) - For the ultimate in deep-sky imaging, a Fastar Lens Assembly can be

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

Technical Specifications 57 CGE 11058 11059 11062 11063 CGE 800 CGE 925 CGE 1100 CGE 1400 Specifications: Optical Design 8" Schm

Technical Specifications 58 CGE 11058 11059 11062 11063 CGE 800 CGE 925 CGE 1100 CGE 1400 CGE Mount Specifications Motor Drive DC S

59 AAPPPPEENNDDIIXX AA LLOONNGGIITTUUDDEESS AANNDD LLAATTIITTUUDDEESS LONGITUDE LATITUDE degrees min degrees min ALABAMA Annist

6 This section covers the assembly instructions for your Celestron CGE telescope. The CGE telescope should be set up indoors the first time so th

60 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

61 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 40

62 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 Cl

63 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 3

64 Appendix B - RS-232 Connection You can control your CGE telescope with a computer via the RS-232 port on the computerized hand control and usi

65 Additional RS232 Commands SSeenndd AAnnyy TTrraacckk RRaattee TThhrroouugghh RRSS223322 TToo TThhee HHaanndd CCoonnttrrooll 1. Multipl

66 APPENDIX C – MAPS OF TIME ZONES

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7 Attaching the Center Leg Brace For maximum rigidity, the Super HD Tripod has a center leg brace that installs on to the threaded rod below the

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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 Tel. (310) 328-9560 Fax. (310) 212-5835 Web site at http//www.c

8 5. Tighten the screws to hold the column securely in place. Attaching the Equatorial Mount After the tripod is set up, you are ready to attach t

9 Dovetail SlideBarDovetail Locking KnobsMounting Platform Figure 2-5 5. Tighten the locking screw on the side of the weight to hold the counterwe