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Optical Tube  

Counterweight Bar 

Finderscope 

10 

Declination Setting Circle 

Finderscope Bracket 

11 

Dovetail Mounting Bar 

Equatorial Mount 

12 

Schmidt Corrector Lens 

Latitude Adjustment Scale  

13 

Hand Control 

Tripod Center Leg Brace/Accessory Tray  

14 

R.A. Motor Drive / Control Panel 

Tripod 

15 

Declination Motor Drive 

Counterweight(s) 

 

 

 

CONTROL PANEL 

Autoguider Port 

Hand Control Port 

12v Output Jack 

DEC Motor Port 

On/Off Switch 

Figure 2.2 – Advanced Series GT 

(Advanced C8-SGT Shown) 

12 

11 

10 

14 

15 

13 

Summary of Contents for 91517

Page 1: ...A A Ad dv va an nc ce ed d S Se er ri ie es s C CG G 5 5 C CG G 5 5 G G GT T T I IN NS ST TR RU UC CT TI IO ON N M MA AN NU UA AL L 9 91 15 51 17 7 9 91 15 51 18 8...

Page 2: ...Bracket 9 Counterweight Bar 4 Equatorial Mount 10 Declination Setting Circle 5 Latitude Adjustment Scale 11 Dovetail Mounting Bar 6 Tripod Center Leg Brace Accessory Tray 12 Schmidt Corrector Lens Fig...

Page 3: ...5 Latitude Adjustment Scale 13 Hand Control 6 Tripod Center Leg Brace Accessory Tray 14 R A Motor Drive Control Panel 7 Tripod 15 Declination Motor Drive 8 Counterweight s CONTROL PANEL C Autoguider P...

Page 4: ...ion Manual Instruction Manual Hand control Plastic hand control holder 2 pieces Declination cable Car battery adapter The Celestron Advanced Series telescopes are shipped in two boxes three boxes for...

Page 5: ...d On one side of the tripod head there is a metal alignment peg for aligning the mount This side of the tripod will face north when setting up for an astronomical observing session To attach the equat...

Page 6: ...is pointing towards north before the tube assembly and counterweights are attached This will make the polar alignment procedure much easier I In ns st ta al ll li in ng g t th he e C Co ou un nt te e...

Page 7: ...o install the knobs 1 Locate the hard plastic shell under the R A shafts 2 Remove either of the two oval tabs by pulling tightly 3 Line up the flat area on the inner portion of the R A slow motion kno...

Page 8: ...to slide the dovetail bar onto the mount 2 Slide the dovetail bar on the telescope tube into the mounting platform of the mount 3 Tighten the mounting screw on the side of the mounting platform to hol...

Page 9: ...ar is pushing against a slight load The amount of the imbalance is very slight When taking astrophotographs this balance process can be done for the specific area at which the telescope is pointing to...

Page 10: ...w and loosen the rear screw if necessary The latitude adjustment on the CG 5 mount has a range from approximately 30 going up to 60 It is best to always make final adjustments in altitude by moving th...

Page 11: ...on the electronics panel labeled DEC Port and plug the other end of the cable into the port located on the declination motor drive see Fig 2 15 P Po ow we er ri in ng g t th he e T Te el le es sc co o...

Page 12: ...o offer With automatic slewing to over 40 000 objects and common sense menu descriptions even a beginner can master its variety of features in just a few observing sessions Below is a brief descriptio...

Page 13: ...jects Planets All 8 planets in our Solar System plus the Moon Stars A compiled list of the brightest stars from the SAO catalog List For quick access all of the best and most popular objects in the Ad...

Page 14: ...level of the menu path Press Undo repeatedly to get back to a main menu or use it to erase data entered by mistake 9 Menu Displays the many setup and utilities functions such as tracking rates and us...

Page 15: ...ope mount needs to be positioned so that the index marks are aligned on both the right ascension and declination axes see Fig 2 8 Once the index position has been set the hand control will display the...

Page 16: ...alignment methods as described below Note If incorrect information is entered into the hand control the UNDO button acts like a back space button allowing the user to re enter the correct data T Tw w...

Page 17: ...two additional calibration stasr to improve the telescope s all sky pointing accuracy If you choose not to add any additional calibration stars you can always add them later after a successful alignme...

Page 18: ...ustomer object lists unless it is enabled from the Utilities Menu To allow the Sun to be displayed on the hand control do the following 1 Press the UNDO button until the display reads Advanced GT 2 Pr...

Page 19: ...y of the original alignment stars with a new star or celestial object This can be useful if you have aligned your telescope using the Quick Align method You can add alignment stars to align the telesc...

Page 20: ...To Sync on an object 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 menu 3 With Advanced GT displayed press the A...

Page 21: ...play a blinking cursor below the name of the catalog chosen Use the numeric key pad to enter the number of any object within these standardized catalogs For example to find the Orion Nebula press the...

Page 22: ...ion and data about the displayed object press the INFO key To slew to the object displayed press ENTER To see the next tour object press the Up key Constellation Tour In addition to the Tour Mode your...

Page 23: ...s without having to choose a speed rate To use this feature simply press the arrow button that corresponds to the direction that you want to move the telescope While holding that button down press the...

Page 24: ...s the current time and longitude latitude downloaded from the optional CN 16 GPS receiver It will also display other relevant time site information like time zone daylight saving and local sidereal ti...

Page 25: ...er RA Enter RA DEC DEC DEC DEC command and press ENTER The display will then ask you to enter first the R A and then the declination of the desired object Save Land Object The telescope can also be us...

Page 26: ...d Series telescopes have a precise goto function that can assist in finding extremely faint objects and centering objects closer to the center of the field of view for astrophotography and CCD imaging...

Page 27: ...klash value scroll down to the anti backlash option and press ENTER While viewing an object in the eyepiece observe the responsiveness of each of the four arrow buttons Note which directions you see a...

Page 28: ...king west for Right Ascension RA and counterclockwise in declination Declination Goto approach will only apply while the telescope tube is on one side of the Meridian Once the tube passes over to the...

Page 29: ...maximum or minimum azimuth slew limit to ensure that the telescope will not slew beyond this point Warning In order for the telescope to be able to slew to a star from the direction that minimizes th...

Page 30: ...e balance of the telescope can prolong the time it takes to complete the final slew Goto Calibration takes into account any slight imbalances and changes the final goto distance to compensate Home Pos...

Page 31: ...s will be reset The hand control will ask you to press the 0 key before returning to the factory default setting Version Selecting this option will allow you to see the current version number of the h...

Page 32: ...crolling Menu This menu allows you to change the rate of speed that the text scrolls across the hand control display Press the Up number 6 button to increase the speed of the text Press the Down numbe...

Page 33: ...AVE DB OBJ ENTER RA DEC GOTO LAND OBJ SAVE LAND OBJ USER OBJECTS GET RA DEC GOTO RA DEC SELECT CATALOG IDENTIFY GOTO TYPE PRECISE GOTO MENU SET TO INDEX CITY DATABASE CUSTOM SITE SELECT LOCATION ENTER...

Page 34: ...ger directly overhead It has moved one degree closer toward the northern horizon This means the pole is now 89 above the northern horizon If you move one degree further south the same thing happens ag...

Page 35: ...ng do NOT move the telescope in R A or DEC You do not want to move the telescope itself but the polar axis The telescope is used simply to see where the polar axis is pointing Like the previous method...

Page 36: ...onitoring a star on the meridian any misalignment in the east west direction is revealed While monitoring a star near the east west horizon any misalignment in the north south direction is revealed It...

Page 37: ...ing both axes for minimal drift Once the drift has been eliminated the telescope is very accurately aligned You can now do prime focus deep sky astrophotography for long periods NOTE If the eastern ho...

Page 38: ...andling or unauthorized repair Further product malfunction or deterioration due to normal wear is not covered by this warranty CELESTRON DISCLAIMS ANY WARRANTIES EXPRESS OR IMPLIED WHETHER OF MERCHANT...

Page 39: ...Torrance CA 90503 U S A Tel 310 328 9560 Fax 310 212 5835 Web site at http www celestron com Copyright 2006 Celestron All rights reserved Products or instructions may change without notice or obligati...

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