Choose the Right Dobsonian: Aperture, f/ratio, Mounts
A practical guide to Dobsonian telescopes: aperture vs portability, f/ratio, eyepieces, collimation, mounts, and accessories—plus buying checklists and FAQs.

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.
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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
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A practical guide to Dobsonian telescopes: aperture vs portability, f/ratio, eyepieces, collimation, mounts, and accessories—plus buying checklists and FAQs.

If you’ve ever put your eyes on a pair of binoculars, you likely have a pretty good idea of what a binocular microscope looks like. These scientific instruments have been utilized worldwide. They are now the most common kind of microscope you can expect to find in classrooms, research labs, and other areas where scientific
Understand light pollution, the 9-class Bortle Scale, sky brightness measurement, and practical dark-sky lighting to protect astronomy and ecosystems.