Astronomy & Space
396 sites
http://assabfn.co.za/
The ASSA Bloemfontein Centre is a non-profit astronomy club based in Bloemfontein, South Africa, welcoming enthusiasts of all experience levels with interests ranging from astrophotography to telescope making. The site chronicles their annual Free State Star Party events spanning over a decade, shares resources including radio segments on stars and planets, and preserves local astronomical history such as the historic Lamont-Hussey Observatory.
https://rdelsol.com/
Rancho Del Sol Observatory is a personal astronomy site featuring articles and updates about space exploration, including NASA's Mars rover Perseverance and planetary science topics like Uranus. The site blends historical context about astronomy's milestones with news-style posts covering recent developments in space exploration.
http://wikisky.org/
WikiSky.org is an interactive online sky map that lets users explore stars, galaxies, nebulae, and constellations through a virtual telescope interface with support for over 15 languages. The platform combines user-contributed content with professional astronomy data, featuring astro photography, science news, blogs, and a community forum for stargazers worldwide.
https://pierplates.com/
Dan's Pier Top Plates is a small business site selling custom mounting hardware for backyard telescopes, including pier top plate systems, DIY telescope enclosures, and adapters for metal piers. Hobbyist astronomers looking to build a permanent concrete or metal telescope pier for a home observatory will find products, FAQs, and installation guides here.
http://theastropages.com/glossary/index.htm
The @stro Pages is a comprehensive amateur astronomy resource featuring a full A-Z glossary of astronomical terms, astrophotos, articles, and an observer's log focused on the San Diego area. With sections covering telescope making, deep-sky objects, and a local astronomy calendar, it serves as a rich hub for stargazers of all experience levels.
https://cbastro.org/
The Center for Backyard Astrophysics (CBA) is a global citizen-science network of amateur astronomers using small telescopes to conduct photometric studies of cataclysmic variable stars. The site hosts science results, publications, data submission guidelines, observer resources, and a worldwide station map connecting contributors from Belgium to Indiana.