Astronomy & Space
396 sites
https://people.ast.cam.ac.uk/~jds
The British Astronomical Association Comet Section is a dedicated resource for tracking newly discovered comets, periodic comets, and observational reports from contributors worldwide. Maintained by director Nick James and visual observations coordinator Jonathan Shanklin, the site features comet ephemerides, discovery news, observing guides, and an archive of the newsletter 'The Comet's Tale'.
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.
https://skokievalleyastronomers.org/
The Skokie Valley Astronomers was a beloved Illinois-based amateur astronomy club that ran for over 50 years, hosting public meetings, presentations, and events dedicated to stargazing and sky watching. The site serves as a farewell archive and resource hub, featuring newsletters, images, and links to other local astronomy clubs for members and enthusiasts to continue their passion.
http://lightandmatter.com/binosky/binosky.html
BinoSky, created by Benjamin Crowell, is a comprehensive guide to stargazing with binoculars, organizing the best celestial objects to observe by region of sky and season. Visitors will find detailed entries on open clusters, globular clusters, nebulae, and galaxies visible through binoculars, complete with sky maps and a data table compiled by SEDS contributor Hartmut Frommert.
https://www.astronomy.org/
Gary A. Becker's astronomy hub at Moravian University offers original astrophotography, weekly starwatch articles, and curated links to astronomy, weather, and science resources. Highlights include stunning lunar eclipse photos and decades of accumulated observational content dating back to 1996.
http://astronomical.org/
The Peoria Astronomical Society is a non-profit club for amateur astronomers in Peoria, Illinois, offering membership information, meeting schedules, constellation resources, and a newsletter archive. With links to their observatories, planetarium visits, and a learning center, this site serves as a hub for stargazers in the central Illinois community.
https://britastro.org/useful-links
The British Astronomical Association, supporting amateur astronomers since 1890, maintains this curated directory of useful links covering UK astronomy societies, observing resources, and related organizations. Visitors will find connections to groups like the Society for Popular Astronomy, the Federation of Astronomical Societies, and many more resources spanning the full breadth of amateur astronomy.
http://stargazing.net/mas
The Muskegon Astronomical Society is a Michigan-based non-profit astronomy club founded in 1972, with its own multi-building observatory complex and an active membership of stargazers. The site features astrophotography from members including nebulae, auroras, comets, and Saturn, plus comet ephemeris tools, observing links, a club events calendar, and JavaScripts for night sky calculations.
http://calendarzone.com/
The Calendar Zone, created by Janice McLean, is a comprehensive categorized directory of calendar-related links covering art, celestial, cultural, religious, historical, and reform topics. With over 7 million visitors since 1999, it serves as a one-stop hub for anyone curious about calendar systems, moon phases, lunar cycles, and the history of timekeeping across cultures.
http://bobsknobs.com/
Bob's Knobs sells specialized collimation thumbscrews that let telescope owners align their Cassegrain and Newtonian telescopes without any tools. The product line covers knobs for popular telescope brands including Losmandy, Celestron, and TeleVue mounts, with custom sizing options and downloadable installation guides.