The Award winning Dark Sky Meter by DDQ helps you measure the night sky brightness with the press of a button.
Get instant information about the night sky quality and contribute to create a global map of sky darkness.
Featured on BBC Television, CBS.com, Scientific American, Scistarter and many more influential websites and magazines.
At a fraction of the cost of a commercial Sky Quality Meter.
Available for download now!
User comment: Fantastic! Settling the argument with my observing friends over which of our sites is better is worth the $5 all by itself. And if I win the wager for a beer, it will be like getting the app for free.
Jeff Morgan, Prescott AZ
Download the app here!
This app is made by Norbert Schmidt and Harro treur. We are amateur astronomers and use the app as an alternative to expensive SQM meters.
We hope to raise light pollution awareness and help scientists investigate sources of light.
These are the volunteers which helped us making the great app, website and map: