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General Articles
Choosing a Telescope
Computerized Telescopes
Petavius Crater
Most Memorable Observation
The Venerable 60mm
Telescope Mounts Explained
Tutorials
Barlow Lens Tutorial
Reflector Collimation
Diffraction
Binocular Tutorial
Refractor Tutorial
DIY Projects
Gun Sight Finder
Rebuilding a Vintage 60mm
DIY Pipe Tripod
Piggyback Adapter
Aposizing Screen
Reviews
Vixen 70mm Review
ETX 90 Review
NexStar 5SE
6 inch Newtonian EQ Review
Utilities
Drake Equation
Drake Equation Statistics
Drake EQ Results
Eyepiece Data
Planet Data
Star Pointer
Star Pointer Help
RPN Calculator Help
RPN Calculator
Observing
Seeing and Transparency
Comet 17P/Holmes
Observing Mars
Observing Jupiter
Observing Saturn
Observing Stars
Observing Comets
Lunar Eclipse Viewing
Photography
50mm Lens Astro-photos
60mm Astro-photos
ETX 90 Astro-Photos
NexStar 5SE Astro-Photos
6 inch Newtonian Astro-Photos
MicroObservatory Photos
Imaging With Webcam Conversions
3-D Moon Photos

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General Articles Choosing a Telescope Computerized Telescopes Petavius Crater Most Memorable Observation The Venerable 60mm ...