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Deutsche Version


Check out the German page for more ressources in German.

Guidelines and information material

Report of the On-line Workshop "Dark and Quiet Skies for Science and Society, organised by the United Nations Office for Outer Space Affairs (UNOOSA), the International Astronomical Union (IAU) and the Instituto de Astrofísica de Canarias (IAC).

Summary of the Project Light pollution - extent, societal and ecological impacts as well as approaches by the Committee on Education, Research and Technology Assessment of the German Bundestag

Austrian Guidelines for Outdoor Lighting

Film Light in Harmony with Human and Nature: two examples of how the Austrian guideline can look in real life.

Dark Sky Planning: Guidance and Best Practices. An Introduction for Local Leaders.

EUROBATS Guidelines for considerations of bats in lighting projects

Earth at Night. NASA publication on nocturnal light on earth with pictures of natural and artificial lights.

Guideline for functional illumination, Project Night, Light & more, Luxemburg. German and French.

Guideline for industrial and commercial illumination, Project Night, Light & more, Luxemburg. German and French.

Guideline for illumination of private buildings and gardens., Project Night, Light & more, Luxemburg. German and French.

Light Pollution - A Global Discussion. Ebook by the Helmholtz Centre for Environmental Research.

Internationale Internetseiten und Projekte zu Lichtverschmutzung

Nacht van de nacht. Initiator: De Natuur en milieufederaties. Niederlande

Night, Light & more. Initiator: Naturparke Our und Öewersauer, Luxemburg.

Online Maps

Light Pollution Map: This website shows maps of sky brightness starting in 2014 based on VIIRS satellite measurements. It also includes data of the light pollution world atlas by Fabio Falchi and colleagues and SQM measurements by numerous volunteers. You can upload your own SQM measurements.

Are the Stars out Tonight?A story map with many pictures, graphs and - most important - maps of dark sky places around the world.

Esri StoryMap on where have lights been switched off or on between 2012 and 2016


Webcam on the Grandsberg at Bavarian Forest, Germany. Webcam pictures from a rural area starting in 2012.

What Is The Bortle Scale? Light Pollution Classes Explained by NightSkyPix.