Astronomy & Space
390 sites
https://astrosystems.biz/
AstroSystems is a Colorado-based manufacturer selling telescope kits, accessories, and components including their signature TeleKit truss tube Dobsonians, secondary mirrors, laser collimators, and digital setting circles. With worldwide shipping and a broad catalog spanning fast f/ratio optics to dew removal systems, this site is a go-to resource for amateur telescope makers and Dobsonian enthusiasts.
http://collectspace.com/news/news-061209a.html
CollectSPACE covers space history news and milestones, including this detailed article tracking which astronaut became the 500th person to fly into space during the STS-127 shuttle mission in 2009. The site provides a comprehensive numbered list of all 500 spacefarers up to that point, mission by mission, making it a valuable reference for space history enthusiasts.
https://meteore.forumattivo.com/
The Italian Meteor and TLE Network (IMTN) is a national Italian surveillance network dedicated to observing and studying meteors, fireballs, and Transient Luminous Events (sprites, jets) in the upper atmosphere between 20 and 120 km altitude. Founded in January 2009, the network operates permanent and mobile video and radio stations around the clock, connecting university researchers, amateur astronomers, and scientific associations across Italy.
http://jgiesen.de/astro/english.htm
Created by J. Giesen, this rich astronomy resource features interactive Java applets for computing solar and lunar positions, planetary visibility, eclipses, sunrise/sunset tables, and much more. Standout features include a top-rated GeoAstro Applet Collection, detailed coverage of the Venus transits and Mars oppositions, and tutorials on astrophysics topics like stellar formation and the Saros cycle.
http://nightskyhunter.com/An%20Observing%20Guide%20To%20Comets.html
Created by Martin McKenna of Nightskyhunter.com, this detailed guide covers everything an amateur astronomer needs to observe comets, from naked-eye viewing to advanced astrophotography and scientific contribution through light curve work. The site includes comet sketches, hunting statistics, observing adventure logs, and links to major comet resources, making it a rich reference for anyone fascinated by these unpredictable visitors to our skies.
astronomy
NEW!
https://costajulio.tripod.com//cv/astronomy.htm
Julio Costa shares his lifelong passion for amateur stargazing, recounting memorable early encounters with telescopes and the purchase of a Celestron 8-inch Schmidt-Cassegrain reflector. The page includes personal photos of the moon and Jupiter with its moons, accompanied by warm, humorous writing about the joys and quirks of backyard astronomy.
http://bo.astro.it/~biblio/atlas/atlas-in.htm
Hosted by the Library of the Department of Astronomy in Bologna, this scholarly site guides visitors through a curated collection of historic celestial atlases spanning the 16th through 18th centuries, from Piccolomini's Renaissance star maps to Bode's Uranographia. Created by Davide Neri, a philosopher and physicist, it beautifully bridges the history of science and art through some of the most celebrated astronomical cartography ever published.
https://www.shreveportastronomy.com/
The official website of the Shreveport-Bossier Astronomical Society, a non-profit astronomy club active in Louisiana since 1959, offering free public observing nights, access to the historic Shreveport Observatory, and resources covering astrophotography, variable star observation, and more. Visitors can find meeting schedules, membership info, observing certificates, and a curated list of astronomy links ranging from NASA to Sky and Telescope Magazine.
https://affy50.tripod.com/Eyepcalc.html
An interactive eyepiece calculator for amateur astronomers that computes magnification and true field of view based on telescope focal length and aperture. It includes a comprehensive built-in database of eyepieces from major brands like Celestron, Meade, Pentax, Vixen, and Zeiss, plus support for custom eyepiece data entry.
https://fourmilab.ch/solar/solar.html
Solar System Live is an interactive web orrery created by John Walker that lets visitors visualize the entire solar system or inner planets at any date, time, and viewpoint they choose. Users can track asteroids and comets using orbital elements, generate custom star maps, and save personalized configurations as bookmarks, making it a genuinely useful tool for amateur and serious astronomers alike.