The Lightmeter is a low cost instrument for global continuous monitoring of artificial night sky brightening (light pollution). The first version was developed for the International Year of Astronomy 2009.
Light pollution is the introduction by humans, directly or indirectly, of artificial light into the environment.
The Starlight and Lightmeter Wiki
For help contact Verein@Kuffner-Sternwarte.at .
Feb. 16th: Presentation of the full light-ballance of the city of Vienna at a media conference at the Vienna Natural History Museum Pressemappe. The full ballance was made possible after the completion of the Helicopter aerial survey of the city lights in all directions. Media response examples: Zuviel Licht über Wien (Wiener Zeitung), Nächtliches Lichtverbot für Geschäfte gefordert
Feb. 8th: Report from the 2016 Montsec Intercomparison campaign of methods to measure the night-light and artificial night-brightening: Montesec Intercomparison Report (at LoNNe)
Nov. 8th: Presentation of the first results of the Vienna flight campaign to measure city light emission in all directions. This completes the Vienna light balance: outdoor lighting sources, use, immission resulting in skyglow and lightdomes: Erste Ergebnisse der Licht-Befliegung Wien - Präsentation beim ExpertInnen Gespräch der MA 33
27th April: All Lightmeter-Driver-Software now available on this wiki at the Lightmeter-Driver page. Most of the most important other pages - including the ones calibration and installation instructions - are now restored. If you hit a page that is still missing you find the backup at The old (damaged and readonly) Lightmeter Wiki
26th April: The Lightmeter Mark 2.3l and Lightmeter Mark 2.4 pro are sold out. Mail Verein@Kuffner-Sternwarte.at to place pre-orders for the Mark 3 Lightmeter that is under development.
22nd April: Lightmeter "First Flight" successfully completed.
24. Nov.: Upper Austria's Light Monitoring Network has now completed its first year at two stations. More information on the nicely documented network of currently 23 SQM-stations with online-data access: Light Measurement Network of Upper Austria. This is arguably the world's largest light monitoring network and most likely the only one run by a government. --GW (talk) 12:06, 24 November 2015 (CET)
The light-pages of upper Austria, Light at Night in Upper Austria also contain an aerial survey of the lights of the Linz-Wels metro-area online and with SQM-data superimposed: "Doris" online viewer of Linz at Night
- How many stars can we still see?: Simple naked eye sightings of the Little Dipper or Orion serve to determine the quality of the world's night skies. more
- What is Light Pollution? by Jan Hollan
- La Palma Deklaration und Nacht/Sternschutzgebiete (Starlight-Reserve)
- PV light measurement at twilight and night, Brno Observatory
- Nachthimmelsschutz - LichtVerschmutzung
- Wieviele Sterne sehen wir noch? - 2009
- Wieviele Sterne sehen wir noch? - Ergebnisse 2009
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