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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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SP06: Light pollution - Consequences for human

Chronobiological effects of artificial light during the night

Subproject 06 was carried out at the Leibniz Research Centre for Working Environment and Human Factors, Dortmund (IfADo).

It focussed on the quantification of the the suppression of melatonin synthesis caused by light pollution, on the stability of circadian phasing and sleep disorders, on the possible health consequences, and on the possible consequences of disrupting the diverse functions of melatonin.

Scientist was Veronika Kretschmer
Leader of subproject was Prof. Dr. Barbara Griefahn