Do you have a question about the Celestron 11 and is the answer not in the manual?
Focal Ratio | f/10 |
---|---|
Optical Design | Schmidt-Cassegrain |
Highest Useful Magnification | 660x |
Lowest Useful Magnification | 40x |
Limiting Stellar Magnitude | 14.7 |
Resolution (Rayleigh) | 0.5 arc seconds |
Optical Coatings | StarBright XLT |
Light Gathering Power | 1600x |
Optical Tube Length | 24 inches (610 mm) |
Optical Tube Diameter | 12.5 inches (318 mm) |
Aperture | 11 in (280 mm) |
Describes special coatings applied to optics for enhanced light transmission and contrast.
Details the step-by-step process for assembling the telescope from its components.
Provides initial steps for using the telescope for observation.
Offers advice for general astronomical observation.
Explains magnification, multiple ocular holders, and Barlow lenses.
Describes how to align declination setting circles for accurate pointing.
Details the celestial coordinate system for navigational purposes.
Covers aligning the telescope's polar axis with the celestial pole.
Explains various eyepiece filters like ND, LPR, and polarizing for image enhancement.
Describes accessories for using filters with different eyepieces and compatibility.
Details capturing images of the moon and terrestrial subjects using the telescope.
Guides on photographing celestial objects beyond the solar system.
Explains how to use the off-axis guiding system for long photographic exposures.
Discusses using a separate guide scope for enhanced photographic guiding.
Covers the basic clock drive and C14 electric slow-motion controls.
Explains drive correctors for astrophotography and DC power options.
Provides instructions for cleaning optical components safely.
Details the process of aligning the telescope's optics for optimal performance.
Covers adjustments for clamp mechanisms and worm gear drives.
Information on contacting factory service for repairs or adjustments.
Lists the technical specifications for the Celestron C11 model.
Lists the technical specifications for the Celestron C14 model.
Lists helpful books, magazines, and suppliers for astronomy enthusiasts.
Provides diagrams and guidance for mounting the telescope on a permanent pier.