If you read this post, you certainly already know that the constellations of Starlink satellites is […]
Here is a very easy guide to determine whether your target, being a regular star, a […]
In Arcsecond, we have the most complete Encyclopedia of Observing Sites, and their telescopes, beautifully available […]
Verifying the primary email address is important for Arcsecond, and mandatory to open an Observatory Portal. […]
Arcsecond’s Observatory Portals help groups of people (observatories, institutes, universities, telescope hosts) gather together to perform […]