Guest, if you are linking to a software packge, books or such, please use the Resources tab to do so.
This area is for more generic site links, and the Resource area is better for tracking specific items like books, software and such.
If you are associated with a site linked here and would like to claim it, please contact me via the Contact us link (or start a conversation with Tracy Perry if a member) and once confirmed, you can claim the link to perform edits to it.
You can dismiss this notice by clicking on the "X" in the corner and it will not appear again unless updated.
If you have astronomical imaging of the sky with celestial coordinates you do not know—or do not trust—then Astrometry.net is for you. Input an image and we'll give you back astrometric calibration meta-data, plus lists of known objects falling inside the field of view.
We have built this...
Clear Sky Charts
Based on a numerical weather model, Clear Sky Charts are perhaps the most accurate and the most usable forecasters of astronomical observing conditions for over 6300 observatories and observing sites in North America.
Light Pollution Map
A color-coded map of the world showing...
www.lightpollutionmap.info is a mapping application that displays light pollution related content over Microsoft Bing base layers (road and hybrid Bing maps). The primary use was to show VIIRS/DMSP data in a friendly manner, but over the many years it received also some other interesting light...
Welcome to Astro What?. We are a forum for those that are interested in astronomy and astrophotography. We hope you find your visit here enjoyable. Our site is meant for those that are just beginning and up to those very experienced in astronomy/astrophography.
We make heavy uses of Prefixes and you will generally find spcific topics in a general area using prefixes instead of having numerious areas for discussion.