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Lightmeter detection of the Aurora in northern Germany seen by many observers on 2015-03-18. A proxy for the horizontal illuminance is show as function of time [UTC]. The red and blue curves are for the two lightmeters with a raw calibration. The entire night is shown in the range below 3 mlx. The Auroral signal is visible as a triangular bump near 23:00 UTC. Graph: G. Wuchterl


The March 2015 fireball recorded by the Tautenburg Lightmeters, 2015-03-15, G. Wuchterl.
Nighttime total radiation at the Kepler observatory in Linz (Austria) measured under the exceptionally cloudy conditions from January to July 2013 - most overcast nights since the beginning of the records.
Comparison of the clear moonless sky medians of total radiation (divide numbers by 10 for a proxy of horizontal illuminance) measured in 2012 and 2013 by the stations of the Vienna Lightmeter Network.
Light-levels measured at the Setagaya/Tokyo Lightmeter station. Distribution of the night-time total radiation in 2012 at Setagaya Read the article Long-term Measurement of the Night Sky Brightness in Japan Using Lightmeters: 2009-2012 Data: [http://id.nii.ac.jp/1060/00006365/


The Starlight and Lightmeter Wiki

Important: This is the new Lightmeter wiki. Pages that are not yet transferred are at: The original Lightmeter WikiFor help contact Verein@Kuffner-Sternwarte.at .

News

June 11th: Night-time public transfer connection and accomodation now available in Großmugl.

March 15: Fireball detected by the TLS-Lightmeters from 19:44:09 UTC to appr 19:45:15 UTC; Graph of Light-curve (Horizontal Illuminance) at http://Kuffner-Sternwarte.at/2015/Feuerkugel-2015-03-15/Fireball_at_Tautenburg_March2015_2015-03-15.png --GW (talk) 12:40, 17 March 2015 (CET)

August 10: AT_LinzUmB at Piberbach is operational.

French Light Pollution Maps for different conditions http://www.avex-asso.org/dossiers/wordpress/?page_id=38#les-nouvelles-carte-de-pollution-lumineuse-2011

June 30th: Kepler-Obervatory: Kepler-Sternwarte Linz - computer change after 4.6 years of taking data - the original lightmeter is still running.

June 28th: We are slowly re-opening: edits are now possible with a confirmed Email-account: mail to verein@kuffner-sternwarte.at with your username-wish and we will send you the access. --GW (talk) 11:29, 28 June 2014 (CEST)

June 17th: Import-Test Großmugl

May 29th: We are slowly recovering after an attack that vandalized the Lightmeter wiki. The attack happened during an upgrade to the new Mediawiki version.

May 3rd: Mediawiki update to Version 1.22.2 completed on May 3rd; GW -- 22:08, 3. Mai 2014 (CEST)

Apr. 14th, 2014: Vienna's lightdome shows 10% increase 2013, the 3rd year of network-monitoring Licht über Wien III (Vienna Environmental Protection Agency), (pdf, 3MB)

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