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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...
The Texas Chapter of the International Dark-Sky Association seeks to protect the “Stars at Night” that are “big and bright …. deep in the heart of Texas.” That heritage of star-filled night skies has been taken away from us in many parts of our great state. Our members are a volunteer...
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 stay here beneficial.
Please review the areas for posting. We make heavy uses of Prefixes and you will generally find spcific topics in a general area using prefixes.