Benutzeranleitung / Produktwartung CGE800 des Produzenten Celestron
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I I N N S S T T R R U U C C T T I I O O N N M M A A N N U U A A L L C C G G E E 8 8 0 0 0 0 ● ● C C G G E E 9 9 2 2 5 5 ● ● C C G G E E 1 1 1 1 0 0 0 0 ● ● C C G G E E 1 1 4 4 0 0 0 0.
INTROD UCTION ................................................................................................................... ............................................................... 4 W W a a r r n n i i n n g g ...........................
3 Go to Al t-Az .................................................................................................................... ........................................................ 28 Hiberna te................................................
4 Congra tulations on y our purc hase of the Ce lestron CG E tele scope! The CG E ushers in the nex t genera tion of com puter automa ted telesc opes. T he Celestron CGE series contin ues in this proud tradition co mbining large aperture optics with the sophistication and ease of use of ou r computerized GoTo mount.
5 ASSE 1 Schmidt Corrector Lens 8 Control Panel ( see below) 2 Optical Tube 9 Hand Contro l Holder / Strap 3 Finderscope 1 0 Hand Contro l 4 Eyepiece 11 Tripod 5 Star Diagon al 1 2 Tripod Center Leg Brace 6 Declination Clutch Loc k 1 3 Counterweights 7 Latitude Adju stment Scale 1 4 Counterweight Bar 1 5 R.
6 This section covers the asse mbly instructions for your Celestron CGE telescope. T he CGE telescope should be set up indoors the f irst time so that it is easy to identify the v arious parts and familiarize y ourself with the correct assembly procedure before att em pting it out doors.
7 A ttaching the Center Leg Brace For maximum rigidity, the Super HD Tripod has a cen ter leg brace that ins talls on to the threaded rod below the tripod head. This brace fits sn ugly against the tripod legs , increasing stability w hile reducing vibration and f lexure.
8 5. Tighten the s crews to hold the column securely in place. A ttachi ng the Equatorial Mount After th e tripod is s et up, you are ready to attach the equ atorial moun t. The equatorial mount is the plat form to which the telescope attaches and allo ws you to move the telescope in right asce nsion and declination.
9 Dovetail Slide Bar Dovetail Lo cking Knobs Mounting Platform Figure 2-5 5. Tighten the lock ing screw on the side of the weight to hold the cou nterweight in place.
10 Installing the Star Diagonal The star diagonal is a prism that diverts the lig ht at a right angle to the light path of the telesco pe. This allows you to ob serve in posi tions th at are phys ically more comf ortable th an if you look ed straig ht through .
11 focal length (i.e., the smaller the num ber) the higher the magnification. Generally, you will use low-to-moderate po w er when viewing. For more information on how to determine po w er, see the section on “Calculating Magnification.
12 Moving the Telescope Manuall y In order to properly balance your telescope, you will need to move your telescope manually at various portions of the sky to observe di fferent objects. To m ake rough adjustm ents, loosen the R.A. an d DEC clutch kn obs slig htly and m ove the telescope i n the des ired direction.
13 Balancing The Mount in R. A . To elimin ate undue s tress on the m ount, the tel escope shou ld be properly balanced arou nd the polar ax is. Proper bal ancin g is crucial for accurate tracking . To balance the mount: 1. Verify that the te lescope securing knobs on th e telescope mou nting platf orm are tight .
14 On/Off Switch 1 2v DC Powe r Power Cord Strain Re lief 5. Slightly loosen the knobs t hat holds the telescope to the mounting platform and slide the telesco pe either forward or backward until it remains stationar y when the DEC clutch is loose. Do NOT let go of the telescope tube while the knob on the mounting plat form is loose.
15 6. Remove th e center leg brace from the tripod. 7. Collaps e the tri pod legs inward, towa rds each other. The telescope is now broken down into enough pieces to be easily transported. Note : Before transporting the optical tube it is recommended that the two mirror locking scre w located on the rear cell of th e tube be locked dow n.
16 The CGE has a h and controller designed to g ive you instant access to all the functions the CGE has to off er. With au tomatic sl ewing to over 40,000 objects, an d comm on sens e menu descript ions, even a beg inner can master i ts variety of features in jus t a few obs erving sessi ons.
17 4. Catalog Keys: The CGE has keys on the hand control to allo w direct access to each of the catalogs in its database. T he CGE contains the following catalogs in its datab ase: Messie r – Complete list of all Messier o bjects. NGC – Complete list o f all the deep-sky obj ects in the Revised Ne w General Catalog.
18 A lignment Procedures In order for the CGE to accurately point to obj ects in the sky, it must first be aligned to two known positions (stars) in the sky. With this information, the telesco pe can create a model of the sky, which it uses to locate any object with kn own coordinates.
19 (10) to scroll t hrough the choices. Refer to Time Zone map in Appen d ix for more information. • Date - Ent er the month, day and y ear of your obs erving s e ssion. • Finally, you must enter the longitude and latitude of the location of your observing site.
20 Quick-A lign Quick-A li gn uses a ll the date and tim e in formation e n tered a t startup t o align the telescope . How ever, instead of slew ing to two alig n ment stars f or centering a nd alignm ent, the CGE bypasses this step and sim ply models the sky based on the inform ation given.
21 Object Catalog Selecting an Object Now that the telescope is prop erl y align ed, you can choose an object from any of the catalogs in the CGE's extensive database. The h and control ha s a key (4) desig na ted for each of th e catalogs in its database.
22 Tour M ode The CGE includes a tour feature whic h automatically allows the user to choose from a list of interesting objects based on th e date and time in which y ou are observing . T he automatic tou r will dis play only th ose objects that are wi thin your set filter limits (see Filte r Limits in th e Setup Procedures section of the manual).
23 up in the field of view of the e yepiece). However, if any of the slower slew rates (rate 6 and below) are used to center an object in th e finderscope, y ou may need to press th e opposite directional bu tton to m ake the telescope move in the correct direction .
24 sidereal time. Local sidereal time (LST) is us eful for knowing the right ascension of celestial objects that are located on the me ridian at that time. View Time-Site will always display the last sa ved time and location entered while it is linking with the GPS.
25 Named Object or Messie r catalogs, the hand control will let you know that the Ring Nebula (M57) is approximately 6° fro m your current position. Searching the Double Star catalog will re veal that Epsilo n Lyrae is only 1° away from Vega. To use the Identify f eature: • Press the Menu bu tton and select the Identify option.
26 button, go with the higher value for positi ve, but use a lower value for negative. CGE will remember these values and use them each time it is turned on until the y are changed. Filter L imits – When an alignment is co m plete, the CG E automatically knows which celestial objects are above the horizon .
27 • DEC Switch - This is the decl ination switch error value set when Utilities / Cal ibrate Mount / DEC Switch - Cone is carried o ut. • RA Switch - This is the R. A. switch error value set when Ut ilities / Calibrate Mount / R. A. Switch is carried out.
28 1. With the tele scope set up a nd roughly positioned to wards Polaris, ali gn the mount usin g the AutoT wo- Star A l ignment m ethod. 2. Select Polar Align fro m the U tilities menu and press En ter. Based on your current alignment, the CGE will slew to where it thinks Polaris should b e.
29 Turn On/Off GPS - If using your CGE telescope with the option al CN-16 GPS accessory (see Opt ional Accesso ries section o f the manual), you will need to turn the GPS o n the f irst time you use the accessor y.
30 CGE Menu Tree: The following figure is a m e nu tree showing the sub-menus associated with the prim ary command functio ns EQ NORT H EQ SOU T H OF F MOD E SIDE RE AL SOLAR LUNA R RA T E TRA CKIN G .
31 Figure 4- 1 A A c c u u t t a a w w a a y y v v i i e e w w o o f f t t h h e e l l i i g g h h t t p p a a t t h h o o f f t t h h e e S S c c h h m m i i d d t t - - C C a a s s s s e e g g r r a.
32 Figure 4-3 The emblem on the end of the focus knob show s the correct rot ational dire ction for focusing the CGE . Focusing The CG E's focusing m echanism contro ls the prim ary m irror whic h is mounted on a ring that slides ba ck and for th on the prima ry baff le tube.
33 To conv ert degr ees to fe et at 1,000 y ards, whic h is more usef ul for terrestrial observing , simply multiply by 52.5. Continuing with our e xample , multiply the angular field .66 ° by 52.5. Thi s produce s a linear fiel d width of 34.7 feet at a d istance of one tho usand yards.
34 Up to this point, this m anual cov ered the ass e m bly and ba sic op eration of y our CGE telescope . Howe ver, to understa nd your t elescope m ore thoroughly , you nee d to know a little about the night sk y. This section deals with obse rvational astronom y in g eneral and i ncludes information on the night sk y a n d polar alig nment.
35 Motion of th e Stars The daily motion of the Sun across the sky is fam iliar to even the m ost casual observer. This da ily trek is not the Sun mov ing as early astronom ers thought, but the re sult of the Earth's rotati on.
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 celestial pole by identi fying certain stars near it, this method w o rks off of a kno wn constant to determine how high t he polar axis should be poin ted.
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 circle will read +90°. If the declination setting circle is not aligned, move the telescope so that the tube is pa rallel to the polar axis.
38 Declination Drift M ethod of Polar Alignment This method of polar alig nment allows you to get the most accurate alignment on the celestial pole and is required if you want t o do long exposure deep-sky astrophotography through th e telescope. The declination drift method requ i res that you monitor the drif t of selected stars.
39 With y our telescope set up, y ou are re ady to use it for observ ing. This se ction covers v isual obse rving hints for b oth solar sy stem and deep sky objects as w ell as general observ ing conditions w hich will aff ect your ability to obse rve.
40 Observing the Sun Althoug h overlooke d by ma n y am ateur astronom ers, sola r obse rvation is b oth rewa rding and fun. Howe ver, bec ause the Su n is so b right, sp ecial precau tions must b e taken when o bserving o ur star so as n ot to damage your eyes or your telescope.
41 Seeing Seeing conditio ns refers to the s tability of the atmosphe re and dire ctly affects the a m ount of f ine detail seen in ex tended objects . The a ir in our atm osphere acts as a lens which bends a n d distorts incom ing light ra ys . The am ount of bendi ng depends on air density .
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 telescope, including short exposure prim e focus, eyepiece projection, long ex posure deep sky, terres trial and even CCD imaging.
43 • T-Ma x 400 • Any 100 to 400 ISO c olor slide f ilm • Fuji Su per HG 400 • Ektar 25 or 100 2. Center the Moo n in t he field of your CGE tele scope. 3. Focus t h e tele scope by turning the focus knob until the imag e is shar p. 4. Set the shutte r speed to the appropriate setting (see table be low).
44 act as a sh utter. The card prevents li ght from enterin g the telesco pe while th e shutt er is released. On ce the shu tter has been re leased and the vi bration ha s diminished (a few se conds), move the bla ck card out of the w a y to expos e the film.
45 There are seve ral techniques f or this type of photog raphy, and the one chosen will dete r mine the s t andard accessories needed. T he best method f or long ex posure deep sky astrophotogr aphy is with a n off-axis guide r. This de vice allows you to phot ograph an d guide through the telescope s imulta neously .
46 Using Periodic Error Correction Once the telescope has been properly polar aligned, select PE C fro m the Utilitie s menu and pres s ENTER to b egin re cor ding your p erio dic er ror . Here ’s ho w to use t he P EC fu nction. 1. Find a brig ht star relatively cl ose to the object y ou want to phot ograph.
47 • Konica 3200 (c olor print) • Fujichr ome 1600D ( color slide) • 3M 10 00 (color sl ide) • Scotchc hrom e 400 • T-Ma x 3200 (black and white pri nt) • T-Ma x 400 (black and w hite prin t) As you per fect your tech niqu e, try speciali zed fil ms, that is fil ms that are d esigned o r specially t reated for cel estial photo graphy.
48 compatible CGE telescope's versatilit y allows it to be used in many different f-number configurations for CCD imaging . It can be used at f /2 ( with opt ional Fastar L e ns Assem bly), f/6.3 (w ith the optional Reducer/Corrector), f/10, and f/20 (with the optional 2x Barlow) making it the m ost versatile ima ging system available today.
49 Fasta r L en s Assem b l The key f actors for good CCD imaging are; exposure time, field- of-view, image size, and pix el resolution. As the F/# goes down (or gets faster), the exposure times needed decreases, the field- of-view-increases, but the image scale of the object gets s maller.
50 with a 30 s econd exposure and can be im proved upon dramati call y if several 30- 60 second exposures are added togeth er . F/6.3 with Reducer/Corrector When imaging s ome objects like planetary nebula (for ex a mple M57, the Ring Nebula) and small galaxies (M104, the Som brero Galaxy), larger im age scale is needed to resolve f iner detail.
51 Auto Guiding The CGE telescope has a desi gnated auto guiding port for use with a CCD autoguider. The diagra m below may be usefu l when connecting the CCD camera cable to th e CGE and calibrating the autoguider. Note th at the four outpu t s are active-low, with internal pull-u ps a nd are capable of s inking 25 mA DC.
52 While your CG E telescope requires little ma intenance, there are a few thing s to remem b er that will ensure y our telescope perf orms a t its best. Care and Cleaning of the Optics Occasional ly, dust an d/or moisture may buil d up on the correct or plate of your telesco pe.
53 Figure 8- 3 A co llimated te lescope shoul d appe ar symmet ric al wit h the central obstru ction cen tered in th e star' s diffr action pa ttern. To accomplish this, you need to tighten the second ary collim at ion screw(s) that move the star across th e field toward the direction of the skew ed light.
54 You will find that additional accessories en hance your viewing ple asure and expand the u sefulness of your telescop e. For ease of refe rence, all t h e accesso ries are list ed in alp habetical order. Adapter A C (#1877 3) - Allow DC (battery powered) telescope s to be converted f or use with 120 volt AC powe r.
55 Fastar Lens Assembly – (#94 1 80 – 8", #94 1 79 – 11 ", #94 1 8 1 - 1 4 ) - For the ultim ate in deep-sky imaging, a Fastar L ens Assembly c an be co mbined with any of Celestron's Fasta r compatible telesc ope to achieve am azing f/2 wide - fie ld imag es.
56 Radial G uider (#9 4 1 76) - The Celestron Radi al Guider ® is sp ecificall y designed for use in prim e focus , deep sky astropho tography and tak es the pl ace of the T- Adapter. This device allow s you to photog raph and guide sim ultaneously thr ough the optic al tube assembly of your telesc ope.
Technical Specific a tions 57 CGE 11058 11059 11062 11063 CGE 800 CGE 925 CGE 1100 CGE 1400 Specifications: Optical Design 8" Schmidt-Cass egrain 9.
Technical Specific a tions 58 CGE 11058 11059 11062 11063 CGE 800 CGE 925 CGE 1100 CGE 1400 CGE Mount Specifications Motor Drive DC Servo motors with encoders , both axes DC Servo motors with encoders.
59 A A P P P P E E N N D D I I X X A A L L O O N N G G I I T T U U D D E E S S A A N N D D L L A A T T I I T T U U D D E E S S LONGITUDE L ATI TUDE degrees min degrees min AL ABA MA Anniston 85 51 33 34.8 Auburn 85 26.4 32 40.2 Birmingham 86 45 33 34.
60 LONGITUDE LA TI TUDE degrees min degr ees 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 28 37.2 Orlando 81 19.2 28 25.8 Panam a City 85 40.8 30 12 Patrick AFB 80 3.6 28 13.8 Pensacola 87 19.2 30 21 Ruskin 82 3.
61 LONGITUDE LA TI TUDE degrees min degr ees min Wurtsmith 83 2.4 44 27 Ypsilanti 83 31.8 42 13.8 MINNESOTA Albert Lea 93 22.2 43 40.8 Alexandria 95 22.8 45 52.2 Bemidji M uni 94 55.8 47 30 Brainerd-C rw 94 7.8 46 24 Detroit Laks 95 52.8 46 49.2 Duluth 92 10.
62 LONGITUDE LA TI TUDE degrees min degr ees min OKLAHOMA Altus AFB 99 16.2 34 40.2 Ardm ore 97 1.2 34 18 Bartlesville 96 0 36 45 Clinton 99 1.2 35 21 Enid 97 4.8 36 22.8 Fort Sill 98 2.4 34 39 Gage 99 46.2 36 18 Hobart 99 3 35 0 Lawton 98 25.2 34 34.
63 LONGITUDE LA TI TUDE degrees min degr ees min Walla Walla 118 16.8 46 6 Wenatchee 120 1.2 47 24 Whidbey Is 122 39 48 21 Yakima 120 31.8 46 34.2 WEST VIRGINIA Beckley 81 7.2 37 46.8 Bluefield 81 13.2 37 18 Charleston 81 3.6 38 22.2 Clarksburg 80 13.
64 Appendix B - RS-232 C onnecti on You can c ontrol your CGE te lescope with a c o m puter via the RS-232 port on the com puterize d hand control a nd using an optio nal RS- 2 32 ca b le (# 93920). Once c onnec ted, the CGE c an be contr olled usi ng popular as tronomy software progra ms.
65 Additional RS23 2 Commands S S e e n n d d A A n n y y T T r r a a c c k k R R a a t t e e T T h h r r o o u u g g h h R R S S 2 2 3 3 2 2 T T o o T T h h e e H H a a n n d d C C o o n n t t r r o o l l 1. Multiply the desi red trackin g rate (arcsecon ds/second) by 4.
66 APPENDIX C – M APS OF TIME ZONES.
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CELESTRON TWO YEAR WAR RANTY A. Celestr on warrants th is tele scope to be f ree from de fects in ma terial s and w orkmanshi p for two year s. C ele stron w ill repa ir o r repl ace such prod uct or part t hereo f which, upon inspe ction by Cele stron, is fo und to be def ectiv e in mate rials o r workmans hip .
Celestro n 2835 Colu mbi a Street Torrance, CA 90503 Tel. (310) 3 28-9560 Fax. (310) 2 12-5835 Web site at http//www.celestron.co m Copyri ght 2003 C elest ron All rights reserved. (Products or in structions may chang e without notice or obligation.) Item # 1106 3-INST $10.
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