Astronomy & Space
390 sites
https://whatcomastronomy.org/
The Whatcom Association of Celestial Observers (W.A.C.O.) is a community astronomy club founded in 1988 in Bellingham, Washington, dedicated to making amateur astronomy accessible and enjoyable. The site offers a calendar of meetings, member resources, observing programs, photos, and local astronomy links for the Pacific Northwest region.
http://astrometry.org/
Astrometry.org is an educational resource by Istituto Scientia dedicated to popularizing astrometry and celestial mechanics, two of astronomy's oldest classical branches. Visitors can explore topics like star positions, orbital mechanics, the SAO star catalog, and an online planetarium, with historical context tracing these sciences from ancient Greece through Galileo and Newton.
http://xjubier.free.fr/en/site_pages/solar_eclipses/TSE_1970_GoogleMapFull.html
Xavier Jubier's interactive Google Map traces the path of the March 7, 1970 total solar eclipse across the USA and Mexico, offering a precise geographic visualization of the event's totality corridor. Part of a larger solar eclipse resource site, this page combines historical astronomical data with modern mapping tools to help enthusiasts and researchers explore eclipse paths.
https://arpgalaxy.com/
A comprehensive amateur astronomy resource dedicated to Halton C. Arp's Atlas of Peculiar Galaxies, cataloging all 338 peculiar and interacting galaxy entries with supporting data, imagery, and observing guidance. Built by and for amateur observers, the site bridges professional archival photography from the Palomar 200-inch telescope with modern amateur CCD imaging to show that anyone with a backyard telescope can observe these remarkable objects.
http://solstation.com/habitable.htm
Sol Station explores the concept of habitable zones around stars, presenting scientific information about which stellar systems might support life. The site offers a visually driven look at astrobiology and planetary habitability, making complex astrophysics accessible to curious visitors.
http://cvafresno.org/
The Central Valley Astronomers is an amateur astronomy club based in Fresno, California, welcoming everyone from beginners to seasoned professionals with star parties, astrophotography, and educational meetings. The site includes a club calendar, membership info, a Young Astronomer Program, star party etiquette guides, light pollution resources, and tips on purchasing equipment.
https://astrorx.org/
The Astronomical Society of the Desert (ASOD) is an amateur astronomy club with resources for beginners, star party schedules, observing site information, and membership details. Maintained by Bruce G, this old-web club homepage offers a glimpse into organized community stargazing in a desert region ideal for clear-sky observing.
http://atm-workshop.com/
John D. Upton's comprehensive resource for amateur telescope makers (ATMs) covers tips, techniques, and projects spanning optics grinding, metalworking, woodworking, electronics, and astrophotography. Built over two decades of hands-on experience, the site documents the rewarding crossover hobby of crafting your own telescopes and specialized astronomy accessories from scratch.
http://xjubier.free.fr/en/site_pages/solar_eclipses/TSE_1972_GoogleMapFull.html
Xavier Jubier's interactive Google Map documents the path of the July 10, 1972 total solar eclipse over Canada, offering precise geographic visualization of the totality corridor. Part of a larger solar eclipse resource site by Jubier, this page is a valuable reference for eclipse chasers and astronomy enthusiasts researching historical eclipse paths.
https://spacewatch.lpl.arizona.edu/fmo-project/overview
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.