Double Stars: Science, Orbits, and Observing Guide
Explore double stars: types, orbits, mass measurements, and how to observe tight binaries with small telescopes. Catalogs, techniques, and famous targets.

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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Explore double stars: types, orbits, mass measurements, and how to observe tight binaries with small telescopes. Catalogs, techniques, and famous targets.
Understand how numerical aperture governs resolution, brightness, and depth of field in optical microscopy—plus magnification, sampling, and trade-offs.

If you are new to astronomy or love viewing the stars from the comfort of your own backyard, then it’s time to learn about circumpolar constellations. There are many different constellations found in our night sky, but which ones you see every time you look up depends heavily on your location on Earth. Circumpolar constellations