2026-07-07 Double star list A detailed double star catalog organized by constellation, compiled by the Belmont Society, listing star pairs with their right ascension, declination, separation, and color descriptions. The catalog is notable for its emphasis on the visible colors of stars, with evocative notes on hues like yellow, blue, orange, and even elusive green, making it a useful observing reference for amateur astronomers.
2026-07-07 drisc.io Drisc.io is a personal blog and journal by a tech-minded creator who covers topics ranging from space exploration (KSC visits, Crew-12) to Apple ecosystem projects like iPadtop setups and a menu bar app called Peak Streak. The mix of journal entries, blog posts, and a wiki makes it a compact but genuine slice of one person's geeky interests and creative projects.
2026-07-07 Eclipse Chasers Eclipse Chasers is a dedicated hub for anyone passionate about witnessing total solar eclipses, offering photography tips, safety guides, solar eclipse maps, and an interactive worldwide log where visitors can record and share their own eclipse observations. The site combines practical tools like online calculators with educational content and links to authoritative references, making it a solid starting point for both newcomers and seasoned eclipse travelers.
2026-07-07 EclipseChaser Home Page Jeffrey R. Charles runs this comprehensive resource dedicated to total solar eclipses, featuring expedition journals, astrophotography galleries, equipment guides, and umbral data from eclipses dating back to 1979. Winner of the Griffith Observatory Star Award, the site covers everything from eclipse chasing expeditions to optics and accessible telescope guides.
2026-07-07 Ed's Pictures Page Ed Morana's personal astronomy photo and video archive documents rare celestial events including total solar eclipses, Venus and Mercury transits, ISS transits, asteroid occultations, and the Northern Lights. The collection spans events from 2006 through 2024, with time-lapse composites and an Android app for ISS transit prediction making it a genuinely useful resource for amateur astronomers.
2026-07-07 en:start [Skychart] Skychart, also known as Cartes du Ciel, is a free open-source planetarium program that lets users draw detailed sky charts using star and nebula catalogs while also displaying the positions of planets, asteroids, and comets. This multilingual wiki serves as the official documentation and download hub for the software, supporting Linux, Windows, and macOS with both stable and beta releases.
2026-07-07 en:start [Virtual Moon Atlas Version 9.0] Virtual Moon Atlas (VMA) is a free, feature-rich lunar observation and study program for Windows and Linux, now in its ninth major version after over two decades of development. Downloaded nearly 2 million times worldwide, it has been used by the European Space Agency, CNRS research professors, and even to help prepare the Chandrayaan 1 lunar mission.
2026-07-07 Encyclopaedia of exoplanetary systems The Encyclopaedia of Exoplanetary Systems, maintained by a dedicated research team since 1995, catalogs over 8,000 confirmed extrasolar objects with filtering, sorting, and export tools for professional and amateur astronomers alike. Visitors can explore databases on binary star systems and circumstellar disks, generate online plots, view planetary systems in 3D and even virtual reality, and browse an exhaustive bibliography of exoplanet discoveries.
2026-07-07 Encyclopedia Astronautica Encyclopedia Astronautica is a massive reference work by Mark Wade covering the complete history of human spaceflight, with over 79,000 pages on rockets, spacecraft, astronauts, cosmonauts, launch sites, and engines from every spacefaring nation. Spanning Soviet secret programs to cancelled American spacecraft, it is one of the most comprehensive space history archives ever assembled on the web.
2026-07-07 European Association for Astronomy Education The European Association for Astronomy Education (EAAE) maintains this blog to share the latest astronomical discoveries and news, covering topics like black holes, supernovae, and planetary science. It also promotes educational initiatives such as the annual 'Catch a Star' contest, which encourages young students across Europe to engage with astronomy research.
2026-07-07 Exoplanet Orbit Database | Exoplanet Data Explorer The Exoplanet Orbit Database at exoplanets.org is a scientific reference cataloging confirmed exoplanets with detailed orbital data, maintained by researchers affiliated with the California Planet Survey. Visitors can explore interactive data tables and plots, search the full database of confirmed planets and Kepler candidates, and read methodology documentation covering the team's approach to curating high-quality planetary orbits.
2026-07-07 Finnish amateur astronomy homepage Hosted on the Finnish University and Research Network (FUNET), this is the national homepage for amateur astronomy in Finland, maintained by members of the Ursa Astronomical Association. It organizes links to Finnish astronomical clubs, research institutions, schools, planetaria, publications, and observation resources, reflecting a country with one of the highest per-capita rates of amateur astronomers in the world.
2026-07-07 Fleming Astrophotography Neil Fleming's astrophotography showcase specializes in deep-sky imaging using the Meade DSI CCD camera, capturing galaxies, nebulae, and star clusters. The site highlights work done with high-end equipment including an NP-127 refractor and NJP mount, making it a compelling destination for amateur astronomers interested in CCD imaging techniques.
2026-07-07 Flint River Astronomy Club – Your gateway to the stars 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.
2026-07-07 FMO Project | SPACEWATCH® The SPACEWATCH® FMO Project, run by the University of Arizona's Lunar and Planetary Laboratory, documents the detection of Fast Moving Objects, which are near-Earth asteroids passing so close that they appear as light trails in telescope imagery. The site explains the science behind close-approach asteroid detection, shares discovery images, and describes the citizen participation program that once helped identify faint FMOs.
2026-07-07 Fourmilab Fourmilab is John Walker's legendary personal science and technology site, home to a vast collection of interactive tools, essays, and experiments spanning astronomy, physics, computing, and more. Notable features include real-time Earth and Moon viewers, historical documents, and decades of original technical writing that have made it a classic destination on the web.
2026-07-07 Fred's Airshow Journal Photos of the historic SpaceShipOne launch: Fred Bruenjes documents his firsthand experience photographing the historic June 21, 2004 launch of SpaceShipOne, the first privately funded spacecraft to reach space, at Mojave Airport. The site is part of a larger airshow journal covering dozens of air shows across California and beyond, featuring hundreds of original photos from events ranging from Miramar to Oshkosh.
2026-07-07 Free Astronomy Magazine - Astro Publishing Astro Publishing offers a free multilingual astronomy magazine available to read and download in full, with a mission to bring astronomy culture to the widest possible audience. All issues can be accessed directly from the site, which is notable for its strict no-tracking, no-cookie privacy policy.
2026-07-07 From Stargazers to Starships Created by Dr. David P. Stern, 'From Stargazers to Starships' is a comprehensive web-based textbook covering astronomy, Newtonian mechanics, the Sun, and spaceflight at a high school level. The site includes glossaries, timelines, Q&A sections, lesson plans, and supplementary materials for educators, making it a rich self-contained learning resource with a strong historical perspective.
2026-07-07 Gothos Astronomy: Jillian's Guide to Black Holes: Jillian's Guide to Black Holes is an informal yet thorough educational resource originally written as a university physics project at Syracuse University, covering black hole formation, classifications, accretion disks, Hawking radiation, wormholes, and how to locate black holes across the universe. Written by Jillian in an approachable, conversational style, it stands out for its careful citations, multilingual reach (including a Basque translation), and years of ongoing updates beyond its academic origins.
2026-07-07 Grasslands Observatory The Grasslands Observatory, owned by Tim Hunter and directed by James McGaha, is a working astronomical observatory in operation since 1985 that offers an extensive image gallery covering Messier objects, Arp galaxies, Barnard objects, Caldwell objects, comets, asteroids, and more. With decades of astrophotography, essays on getting started in amateur astronomy, and remote telescope operations, this site is a rich resource for serious backyard astronomers.
2026-07-07 Greensboro Astronomy Club - Astronomy Club, Telescopes, Stargazing The Greensboro Astronomy Club is a North Carolina-based group dedicated to making astronomy accessible to the public through regular meetings, observing sessions, and educational events. The site highlights upcoming meetings at venues like the Greensboro Science Center, member achievements, and the club's advocacy for preserving astronomy programs at local universities.
2026-07-07 Hawaiian Astronomical Society (HAS) The Hawaiian Astronomical Society, founded in 1949, is a nonprofit dedicated to promoting amateur astronomy across Hawaii through monthly public star parties, school outreach, and members-only dark sky observing sessions. The site features a deep sky atlas, an astronomy newsletter, event schedules, and live solar imagery from SDO, making it a rich hub for stargazers in the islands.
2026-07-07 Hawaiian Astronomical Society (HAS) The Hawaiian Astronomical Society, founded in 1949, is a non-profit club dedicated to promoting amateur astronomy across the Hawaiian Islands, hosting regular public and members-only star parties at locations like Dillingham Airfield, Kahala Community Park, and Geiger Community Park. The site features event schedules, a deep-sky atlas, an astronomy newsletter, school star party programs, and live solar and lunar data feeds.
2026-07-07 Heavens-Above Heavens-Above, developed by Chris Peat, provides real-time satellite tracking and pass predictions customized to your exact location, covering the ISS, Starlink, Hubble, and hundreds of other spacecraft. Beyond satellites, the site offers interactive sky charts, solar eclipse data, comet and asteroid tracking, and deep space mission information, making it an essential tool for backyard astronomers and satellite spotters alike.
2026-07-07 Heavens-Above Heavens-Above, developed by Chris Peat, provides real-time satellite tracking and customized astronomical predictions based on your geographic location, including ISS passes, Starlink visibility, and deep space mission data. The site also offers interactive sky charts, solar eclipse information, comet and asteroid tracking, and a full satellite database spanning dozens of spacecraft.
2026-07-07 Hermit Eclipse Hermit Eclipse, created by Ian Cameron Smith, is a comprehensive reference site dedicated to solar and lunar eclipses, featuring searchable catalogs, prediction data, observing guides, and eclipse science explanations. Built on the legendary data of Fred Espenak (NASA's Mr. Eclipse), it covers upcoming eclipses worldwide with regional visibility guides, eye safety tips, and a full historical eclipse database.
2026-07-07 History of Astronomy Gene Smith of UC San Diego's Center for Astrophysics and Space Sciences presents a detailed tutorial on the history of astronomy, tracing human observation of the skies from Stonehenge and ancient agrarian cultures through Pythagoras, Aristotle, Aristarchus, Copernicus, Kepler, and Galileo. Rich with links to related topics like archaeoastronomy, eclipse prediction, and the Music of the Spheres, this page is part of a broader astronomy education series hosted by UCSD.
2026-07-07 Hitchhiker's Moon Links A comprehensive curated link collection for amateur lunar observers, gathering moon maps, photographic atlases, observing guides, and software tools from across the early web. Part of the broader Hitchhiker's Guide to the Moon project at Shallow Sky, it serves as an invaluable jumping-off point for anyone wanting to study the moon's features in depth.