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This section covers the assembly instructions for your Celestron Telescope. Your telescope should be set up indoor the first
time so that it is easy to identify the various parts and familiarize yourself with the correct assembly procedure before
attempting it outdoor.
#11097
#11098
#11099
CGEM 800 CGEM 925 CGEM 1100
Diameter
203mm (8") Schmidt-
Cassegrain
235mm (9.25") Schmidt-
Cassegrain
280mm (11") Schmidt-
Cassegrain
Focal Length
2032mm F/10 2350mm F/10 2800mm F/10
Eyepiece
25mm - 1.25" (81x) 25mm - 1.25" (94x) 40mm - 1.25" (70x)
Finderscope
6x30 6x30 9x50
Diagonal
90° - 1.25" 90° - 1.25" 90° - 1.25"
Mount
CGEM Equatorial CGEM Equatorial CGEM Equatorial
Tripod
2" Stainless Steel 2" Stainless Steel 2" Stainless Steel
Software
NexRemote Telescope
Control Software
NexRemote Telescope
Control Software
NexRemote Telescope
Control Software
Counterweights
1-17lb
1-17lb; 1-11lb 2-17lb
The Celestron CGEM Series telescopes are shipped in three main boxes. In separate boxes are the following:
Optical Tube Assembly and Standard Accessories
Equatorial Mount with Hand Control, and Counterweight Bar
Tripod plus one Counterweight
Additional Counterweights (11098 & 11099 only)
Remove all the pieces from their respective boxes and place on a flat, clear work area. A large floor space is ideal. When
setting up your Celestron telescope you must start with the tripod and work up from there. These instructions are laid out in
the order each task must be performed.
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The CGEM tripod comes with an all metal center leg brace / accessory tray to give rock solid support to the mount.
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 central rod that extends down from the tripod head that attaches the equatorial mount to the tripod. To set
up the tripod:
1. Stand the tripod upright and pull the tripod legs apart until each leg is fully extended. The tripod will now stand by itself.
Once the tripod is set up, you can adjust the height at which it stands.
2. Loosen the lever on the leg clamp so that the tripod leg can be adjusted.
3. Slide the center portion of the tripod leg away from the tripod head until it is at the desired height.
4. Tighten the levers on each leg clamp to hold the legs in place.
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To ensure safe shipment of your CGEM mount, the Azimuth Adjustment Knobs have been removed from the mount and will
need to be attached.