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ALAN Conference Series

ALAN 6 will take place from 16-18.06.2020 in Lleida, Spain.

Night Sky Data to the People!

A new website presents citizen science data

Touring Exhibition

Our touring exhibition with 15 posters can be borrowed for events!

'Loss of the Night' App

The 'Loss of the Night' app measures sky brightness! Take part in a world-wide citizen science project that measures star visibility and light pollution. The app is free!

City Night Time Lapse

This growing collection of time lapse videos of nights in urban centres provides insights how city lights change throughout the course of the night

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Pressemitteilung Archiv 2011

Lunar Skylight Polarization Signal Polluted by Urban Lighting

Publication by C. Kyba, T. Ruhtz, J. Fischer and F. Hölker in the Journal of Geophysical Research

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Clouds Amplify Ecological Light Pollution

The brightness of the nightly sky glow over major cities has been shown to depend strongly on cloud cover. A new study by a group of physicists and ecologists at the Free University of Berlin (FU) and the Leibniz-Institute of Freshwater Ecology and Inland Fisheries (IGB) was reported on February TBA, 2011, in the open-access journal PLoS ONE.

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