Last updated on
4/11/2006

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 Cassegrain Telescope Basics
   » Cassegrain Optics (OTAs)
   » Cassegrain Mounts
   » What’s So Special About a U2K? (& U2K tips from Yahoo Groups )

 Visual Observing with Cassegrain Scopes
   » Learning to See and Predicting Viewing Conditions
         » Estimating Viewing Conditions Using Ursa Minor, and the position of the Jet Stream
   » Sky Chart Software (locating faint objects, and dimming your computer screen)
   » Books on Observing (one set of possibilities to keep you occupied on cloudy nights <grin>)
   » Observing Lists (downloadable files including my 1200-object list)
   » Hubble Photographs of the Planets

 Tips for Using Cassegrain Scopes
   » Additional Items You Need to Have
       » Dew Prevention
       » Observing Chairs
   » Additional Accessories that are Nice to Have
       » A Telescope Cover (& preserving your scope’s alignment)
       » Observing the Sun
       » A Dovetail Plate (Mounting items on top of your scope)
       » A Rich-Field Scope (and Minus-Violet Filters)
   » A Discussion of Eyepieces (and Eyepiece Review Web Sites)
       » Eyepiece Terminology Basics (and eyepiece formulas)
       » Diagonals 4/11/06
       » Field of View Calculator
       » Making Your Eyepieces Parfocal (and Balanced)
       » My Eyepieces (and a list of wide-FOV eyepieces)
   » Items You Can Make
       » A Tripod Eyepiece Tray
       » An Eyepiece Case
       » Mounting a NexStar Hand Controller on Your Tripod
       » Balance Weights
       » A Permanent Pier
       » An Observer’s Chair
       » A Storage Stand for an SCT (Avoid that heavy lifting) 
   » Balancing an SCT
   » Maintenance
       » Collimating Your SCT
       » Cleaning Your Optics  

 Astrophotography Basics
   » 35mm Cameras and Film
       » Calculating Focal Ratios for Eyepiece Projection Photography
   » Consumer Digital Cameras (Digicams)
       » Why Digicams Can’t Take Long Exposures
       » Direct Digicam-to-Eyepiece Adapters
       » Eyepiece Projection Adapters
       » Clamp-On Digicam Adapters
   » Astronomical CCD Cameras
       » Theremoelectric Cooling
       » Choosing a CCD Camera
           » A Discussion of Some CCD Parameters
   » Using a Webcam for Planetary Photography
   » Astrophotography Accessories (including a discussion of Focal Reducers)
       » Polar Alignment with the Polaris Finderscope
       » Equatorial Wedges
       » Better Focus Options (including Electric Focus Motors)
       » Guiding an SCT
               » Guide Scopes versus Off-Axis (Radial) Guiders
               » CCD Autoguiders
   » The Celestron Fastar System and the SBIG ST-237 CCD Camera

 Glossaries of common amateur observing, star database, and DSO database terms

 Links  
       » Used Equipment Site Links
       » Links to Equipment Review Sites

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