Astronomy & Space
393 sites
https://lynkeos.sourceforge.io/
Lynkeos is a SourceForge-hosted software project dedicated to processing planetary images captured with webcams, aimed at amateur astronomers looking to enhance their astrophotography. The tool focuses on stacking and refining low-quality frames to produce sharper planetary images, making it a niche but valuable resource for hobbyist planetary imagers.
https://flintriverastronomy.org/
The Flint River Astronomy Club (FRAC) is a Georgia-based astronomy club serving the Griffin area, hosting monthly meetings, public observing events at Indian Springs State Park, and club observing weekends at Joe Kurz WMA. Members have access to observing lists, tools, national awards, newsletters, and articles, making this a well-rounded hub for amateur astronomers in the region.
https://handprint.com/ASTRO/bortle.html
A detailed reference page explaining the Bortle Dark Sky Scale, which measures night sky light pollution across nine categories from inner-city skies to pristine darkness. The site includes an adapted table of Bortle's indicators with color codes used in light pollution maps, plus five star charts covering key sky areas visible from the continental United States.
https://oklo.org/
Oklo, written by Greg, is a long-running science blog that explores astrophysics, cosmology, and cutting-edge topics like interstellar objects, exoplanets, and the physics of computation. Posts blend deep technical thinking with wide-ranging curiosity, touching on thermodynamics, AI, and space science in a way that rewards careful reading.
http://asnh.org/
The Astronomical Society of New Haven (ASNH) has been connecting Connecticut stargazers for over 80 years, offering public star parties, observing events, astrophotography resources, and a radio show called Cosmic Perspective. Visitors can browse an event calendar, access sky charts, meteorite information, NASA content, and even a book by ASNH member Ruben Kier titled 'The 100 Best Targets for Astrophotography.'
http://astronom.de/
Sebastian Voltmer's personal astrophotography site showcases stunning images of deep-sky objects, galaxies, nebulae, and planets captured through his telescope. The site blends scientific passion with artistic vision, featuring photos and videos of the cosmos from locations including the French Alps.
https://ourcolorfulcosmos.com/
Steve Mazlin, MD shares his stunning astrophotography collection at Our Colorful Cosmos, featuring images organized into sections covering nebulae, galaxies, star clusters, and the solar system. The image-heavy site showcases deep-sky photography from a dedicated personal observatory, with a companion YouTube channel under the handle 'mazlinithegreat' for additional content.
http://deep-sky.co.uk/asterisms.htm
David Ratledge's guide to observing asterisms takes readers through a collection of star patterns visible through binoculars and small telescopes, complete with images and observing tips. Inspired by a 1998 Sky & Telescope article, this page celebrates overlooked celestial dot-to-dot patterns like Kemble's Cascade, the Coathanger, and the ET Cluster with genuine enthusiasm and hands-on detail.
https://iasindy.org/
The Indiana Astronomical Society is a membership-based club dedicated to amateur astronomy, offering monthly public lectures, access to the historic Goethe Link Observatory, dark-sky observing sites, and outreach programs for students across central Indiana. With resources ranging from a beginner Astronomy 101 crash course to star party event listings and a member collaboration site, it serves everyone from curious newcomers to seasoned sky watchers.
https://bsasnashville.com/
The Barnard-Seyfert Astronomical Society (BSAS) is a Nashville, Tennessee astronomy club that hosts regular public star parties, member meetings, and educational events at local parks and nature centers. Visitors can find event schedules, membership information, a member-produced wall calendar featuring astrophotography, and resources for amateur astronomers including discounted access to the Observer's Handbook.