Last updated on4/11/2006
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Home � Who Am I 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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