Open Star Clusters: Science, History, and How to See Them
Explore open star clusters—formation, evolution, famous examples, and observing tips. Learn how Gaia reshaped our view of these stellar families.

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 open star clusters—formation, evolution, famous examples, and observing tips. Learn how Gaia reshaped our view of these stellar families.
Compare upright and inverted microscopes by design, contrast methods, ergonomics, and use cases to choose the best configuration for your samples.
Learn how microscope camera adapters, C‑mounts, and relay optics affect field of view, parfocality, and image quality. A practical, accurate guide for imaging.