Very good and important Works very well and fun to use.
Great work This app enables you to help conduct a survey of light pollution which is a major problem worldwide. It works quickly and easily and provides you with a star map for your efforts.
Who doesn't want to "science"?! This app is a great way to learn about our night skies & help gather data for research.
Lights out Great app for finding darker sky sites.
Auto Brightness Great except for one thing.Please fix the auto-brightness being disabled when using the app.
Great to be part of something Helps you understand how much we lose from light pollution.
Map the Universe! Explore Sun, Moon, Mars, stars, satellites, and NASA missions!
Explore Stars, Planets and Satellites with a telescope and NASA space missions!