Ganymede: Science Guide to Jupiter’s Largest Moon
Explore Ganymede—the solar system’s largest moon: geology, subsurface ocean, magnetosphere, JUICE mission, and how to observe it from Earth.
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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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Explore Ganymede—the solar system’s largest moon: geology, subsurface ocean, magnetosphere, JUICE mission, and how to observe it from Earth.
Master deep-sky astrophotography under light pollution: gear, filters, exposure, stacking, and processing tips for stunning images from Bortle 7–9 cities.

 When you look through a telescope at the Moon, you might be a little confused as to why it looks flipped left to right or rotated on its side 180 degrees. Your finderscope perhaps produces an image similarly flipped upside-down. This can be a headache to understand, and many beginners often wonder why it