8-Inch Dobsonian Telescopes: Complete Buying Guide
Learn how to choose, set up, and use an 8-inch Dobsonian telescope: optics, mounts, accessories, collimation, observing tips, and buying advice.

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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Below are a selection of our Articles, to find more click on one of the sections above, or use the Menu at the top of the page.
Learn how to choose, set up, and use an 8-inch Dobsonian telescope: optics, mounts, accessories, collimation, observing tips, and buying advice.
Understand numerical aperture, resolution, and magnification in light microscopy. Learn how wavelength, NA, and sampling set image detail and avoid empty magnification.
Explore Titan’s thick nitrogen atmosphere, methane lakes, habitability clues, Cassini–Huygens insights, Dragonfly plans, and tips to see Titan near Saturn.