Astronomy & Space
396 sites
https://michielb.nl/maya/astro
Created by Michiel Bijl, this site explores Maya astronomy alongside related topics like Maya mathematics, the Maya calendar, Maya writing, and geographical orientation. It offers a fascinating intersection of ancient cultural knowledge and astronomical science, with pictures, recommended reading, and curated links.
https://softkittypa.ws/
Lexi's personal homepage blends astrophotography, programming projects, and game corruption experiments into a vibrant, technically impressive old-web-style showcase. Visitors can browse her astrophotography gallery, explore open-source tools she built, and see wild ROM corruption screenshots from titles like Mario Kart Wii and Celeste.
http://virtualcolony.com/sac
The Deep Sky Database is an online observing list generator for amateur astronomers, drawing on the Saguaro Astronomy Club's meticulously maintained databases to help users search for galaxies, nebulae, star clusters, double stars, asterisms, and more. Built on decades of collaborative contributions from club members, it offers searchable access to well-known catalogs including Messier, Caldwell, Herschel 400, and Herschel 2500 objects, making it a practical planning tool for backyard stargazers.
http://casswww.ucsd.edu/archive/public/tutorial/History.html
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.
https://observers.org/
The SF Bay Area Astronomy Connection (TAC) is an informal network for amateur astronomers across the greater San Francisco Bay Area, connecting observers without the formality of dues, officers, or bylaws. The site features an extensive list of observing sites throughout the region, curated observing lists, equipment guides, and resources for both beginners and seasoned stargazers.
http://ben.davies.net/telescope.htm
Ben Davies documents the design and construction of a 12.5-inch Newtonian telescope, covering everything from the equatorial horseshoe mount and mirror flotation cell to motorized collimation and CCD imaging. The site also includes observational work on variable stars, nebulae, galaxies, and spectroscopy, making it a rich resource for serious amateur telescope makers.
http://rocketroberts.com/astro/astrophot.htm
Joe Roberts shares a remarkable personal archive of amateur astrophotography spanning from 1974 to 2013, featuring backyard telescope images of deep-sky objects, planets, comets, and lunar phenomena. The site includes technical articles, a tour of his personal observatory, and a gallery of stunning images that rival professional observatory photography from decades past.
https://background.uchicago.edu/~whu
Wayne Hu is a Professor of Astronomy and Astrophysics at the University of Chicago, and this site serves as his academic hub covering cosmology research including CMB polarization, baryon acoustic oscillations, cosmic shear, and large-scale structure. Visitors will find an impressive collection of tutorials, lecture notes, research codes, publications, and course materials spanning decades of work in theoretical cosmology.
https://iceinspace.com.au/
IceInSpace is the largest online amateur astronomy community in the Southern Hemisphere, serving over 20,000 registered members across Australia, New Zealand, and South America. The site features astronomy forums, equipment reviews, DIY projects, astrophotography galleries, event reports, and an astronomy glossary tailored to southern hemisphere observers.
https://cosmotography.com/images/rc.html
R. Jay GaBany's Blackbird Observatory page details the technical setup behind his acclaimed astrophotography work, including a half-meter Ritchey-Chretien telescope, professional CCD cameras, and two remote observatory locations in New Mexico and the California Sierra Nevada. The site is a fascinating window into serious amateur deep-sky imaging, covering instrumentation, elevation advantages, and the evolution of the observatory from 2005 through 2014.