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Overview: The CPC 925 GPS (XLT) package by Celestron
includes a 9.25" Schmidt-Cassegrain telescope with a heavy duty tripod with
2" diameter steel legs. The optical tube is mounted to a fully computerized dual
fork arm Altazimuth mount with a NexStar hand remote control. The CPC 925 GPS
features on-board GPS to help you properly align the telescope with the sky in
your specific location.
Schmidt-Cassegrain Optical System: The CPC 925 GPS has a
Schmidt-Cassegrain optical system, which uses a combination of lenses and
mirrors to collect and focus light rays. The Schmidt-Cass system is also
referred to a compound or catadioptric system. This unique design offers
large-diameter optics, while maintaining very short tube lengths. Once light
enters the optical system, they travel the length of the optical tube a total of
Optics: The 22" optical tube uses Celestron's premium
StarBright XLT coatings, which provide maximized light transmission, contrast,
and image sharpness.
Eyepiece: The telescope comes with a
eyepiece (59x magnification). The CPC 925 GPS uses 1-1/4"
diameter eyepieces, and additional eyepieces, at different magnifications, are
available. The unit also comes with a star diagonal which diverts the light at a
90° angle to the light path of the telescope. This allows you to observe in a
more comfortable position than if you were to look straight through.
Finderscope: The telescope comes with an 8x50 finderscope
which mounts to the outside of the telescope tube to help you locate and center
objects in the main field of the telescope. The finderscope must first be aligned with the telescope before use. This is done in
the daytime by pointing the telescope at an object at least a quarter mile away,
centering the object in the eyepiece, and aligning the finderscope
to the distant object.
Computerized Mount/Hand Controller: The CPC 925 GPS is
controlled by Celestron's NexStar removable
19-button hand controller. It plugs into the telescope's fork arm via a coiled
cord. The hand controller and computerized mount can automatically slew the
telescope to over 40,000 celestial objects. The hand control has a backlit LCD window with a
16-character display screen, direction keys, and catalog keys to help you search
through the 40,000+ object database. The hand controller has a jack for an RS232 cable which allows you to interface with a computer and control
the telescope remotely. The built-in software is flash upgradeable so you can
download product updates over the Internet. A plastic snap-on
holder is included for the hand controller that attaches to one of the tripod
SkyAlign: Before using, the telescope must first be aligned
to known positions in the sky. The SkyAlign method of aligning the telescope
uses the internal GPS receiver to acquire all of the necessary time/site
information needed to create an accurate model of the sky. You can align the
telescope by simply pointing it to any three bright celestial objects
one-by-one. You can also perform Auto Two-star, Two-star, One-star, and Solar
System manual alignments.
Sky Tour: The CPC 925 GPS' Sky Tour feature allows you to
choose from a list of interesting celestial objects based on the date and time
in which you are observing. You can activate the Sky Tour by pressing the
dedicated button on the hand controller, and the telescope will skew to its
starting position. As the tour of objects continues, you can press buttons on
the hand controller to provide text information and coordinates of the object
Power Requirements: The CPC 925 GPS can be
powered by the supplied car battery adapter, the optional
PowerTank 12-volt power supply, or an optional 12-volt AC adapter.
Accessory Tray: The telescope comes with an accessory tray
which provides a place to put extra eyepieces or other items while you're using
- Optical Design: Schmidt-Cassegrain
- Aperture: 235mm (9.25")
- Focal Length: 2350mm (93")
- Focal Ratio: f/10
- Eyepiece Focal Length: 40mm
- Eyepiece Magnification: 59x
- Highest Useful Magnification: 555x
- Lowest Useful Magnification: 34x
- Optical Tube Length: 22"
- Light Gathering Power: 1127x (compared to human eye)
- Weight: 58 pounds