Astronomy & Space
396 sites
http://bas-astro.com/
BAS Astro appears to be an astronomy club or society website, with the domain name strongly suggesting a regional or local astronomical association. The site likely serves as a hub for amateur astronomers to share observations, events, and resources.
https://izw1.caltech.edu/ACE
The official homepage for NASA's Advanced Composition Explorer (ACE) spacecraft, hosted at Caltech, providing mission data, instrument specifications, and real-time solar wind readings. Visitors can access browse plots, science publications, press releases about cosmic ray research, and data from nine onboard instruments measuring solar and galactic particle composition.
https://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.
https://delmarvastargazers.org/
The Delmarva Stargazer Society was an amateur astronomy club founded in 1993 on the Delmarva Peninsula that ran star parties at three dedicated dark sky sites until disbanding in 2019. This archived site preserves the club's history, newsletters, by-laws, and meeting minutes, and is maintained by member Michael Lecuyer who still brings telescopes out for public viewing in Wyoming, Delaware.
https://hms.sternhell.at/hms.php?country=Austria&lang=English&page=pages%2Fmain
How Many Stars is a long-running international citizen science project now in its 22nd year, dedicated to measuring light pollution and night sky visibility through naked-eye observations submitted by volunteers worldwide. Participants count visible stars in specific regions and submit their reports, contributing to a global dataset tracking the degradation of dark skies over time.
https://caacwv.com/
The Central Appalachian Astronomy Club is a 501(c)(3) non-profit based in West Virginia dedicated to promoting amateur astronomy and partnering with local schools and universities. Visitors can learn about the club's 20-foot Ash Dome observatory housing a 16-inch Meade LX200 telescope, upcoming meetings and events, and how to join.
https://members.wolfram.com/jeffb/poster/poster.html
A detailed educational presentation on cataclysmic variable stars (CVs), covering binary star systems, accretion disks, novae, polars, and outburst phenomena with artist renditions and real observational data. Created by Jeff B. and hosted on Wolfram Research servers, the site features light curves, spectra, and telescope images from Lowell Observatory's 31-inch NURO telescope.
https://c2a.astrosurf.com/english/information.htm
C2A is a feature-rich planetarium software created by Philippe Deverchere, designed for both amateur and professional astronomers who need precise astrometric and photometric capabilities. The site documents the software's extensive support for star catalogues including Hipparcos, Tycho-2, and UCAC4, as well as deep sky object catalogues, asteroid and comet tracking, and tools for predicting occultations and sunrise/sunset times.
https://fedastro.org.uk/
The Federation of Astronomical Societies is a UK-based umbrella organization connecting amateur astronomy clubs and societies across Britain. It serves as a hub for coordinating events, sharing resources, and supporting the broader community of stargazers and astronomical enthusiasts in the region.
https://tas-online.org/
The Tacoma Astronomical Society is a non-profit astronomy club based in the Tacoma region, offering public observing nights, general meetings, outreach events for local schools, and an active student group for preschool through high school age participants. The site serves as a hub for club news, event calendars, a photo gallery featuring member astrophotography, and resources for amateur astronomers of all experience levels.