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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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Editor Leibniz Institute of Freshwater Ecology and Inland Fisheries (IGB) in the Forschungsverbund Berlin e.V.
Authorized Representative(s) Prof. Dr. Klement Tockner (Director of IGB) and
Dr. Manuela Urban (Managing Director of the Forschungsverbund)
Webeditor IGB- Helga Küchly,
IGB- Dr. Stephanie Holzhauer,
IGB- Dr. Annette Krop-Benesch,
Dr. Sibylle Schroer,
Webmaster IGB- Johannes Hochschild,
Stefan Barkhoff
Wrangelstr. 75
10997 Berlin
phone: 0160 91 92 11 00
e-mail: info(at)
Liability Exclusion and Data Protection Statement We are pleased that you are visiting our website and would like to thank you for your interest in our organisation and our site. Protection of your privacy when using our website is important to us. Please note the following information in that regard:
  • Anonymous data collection

As a matter of principle, you can visit the "Loss of the Night" website without telling us who you are. All we find out is the name of your Internet service provider, the website from which you are visiting us and the pages of our website that you view. This information is analysed for statistical purposes. You, the individual user, remain anonymous.

  • Collection and processing of personal data

Since the purpose of our website is purely to provide information to customers, no personal data is collected.

  • Data export and processing in countries outside the European Economic Area

Since no personal data is collected, none is exported to countries outside the EEA.

  • Using and passing on personal data

Since no personal data is collected on our informational website, none is used or passed on.

  • External links

To provide you with optimal information, our website contains links to third-party sites. Insofar as links of this kind are not obviously recognisable, we point out that they are external links. The IGB has no influence on the content and design of other providers’ websites. Therefore, the guarantees in this data protection statement naturally do not apply to those sites.

  • Further information and contacts

The layout of the homepage, the graphics used and all other content are protected by copyright. Any commercial use of the provided data is not allowed and will be prosecuted. The IGB accepts no responsibility for the completeness or accuracy of the information given. We do not take any responsibility for damages that might occur as a direct or indirect result of using the data of this website.

We reserve the right to change, supplement or delete parts of or the entire website without notice or to suspend it temporarily or permanently.

© IGB 01/10/2013