Dobsonian Telescopes: Buyer’s Guide and Setup Tips
Learn how to choose, set up, and use a Dobsonian telescope—aperture, focal ratio, collimation, accessories, and buying tips for beginners to advanced observers.

Guides to help with your Stargazing Adventure

Information on Galaxies, Stars, Constellations, Planets, Moons, Comets and Asteroids
Listen to Bernard Miller describe his journey into AstroPhotography and detail how he captured this stunning image of the Sculptor Galaxy.
Read the full article here.
Drew Evans talks about his passion for astrophotography, the equipment used and tips for post processing image data.
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Hear D.j Van Bourgondien as he talks about using his Celestron EdgeHD 8″ telescope to capture this image of the Fireworks Galaxy
Read the full article here
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Learn how to choose, set up, and use a Dobsonian telescope—aperture, focal ratio, collimation, accessories, and buying tips for beginners to advanced observers.
Clear, no-jargon Dobsonian telescope guide: aperture, mounts, collimation, accessories, light pollution tips, and buying advice for beginners.
Compare brightfield, darkfield, phase contrast, and DIC microscopy. Learn principles, setup basics, pros/cons, and when to use each contrast method.