File:Linz cal 05 180s corr.png
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 16:37, 30 July 2014 | | 1,280 × 677 (46 KB) | GuentherWuchterl (Talk | contribs) | |
| 16:32, 30 July 2014 |  | 1,280 × 677 (46 KB) | GuentherWuchterl (Talk | contribs) | ||
| 01:23, 12 February 2010 | Error creating thumbnail: File seems to be missing: | 1,280 × 677 (46 KB) | GuentherWuchterl (Talk | contribs) | Correction of a 180s time-offset between the measured twilight and the calculated twilight. Data were taken during a clear night in August 2009 by the L3 Lightmeter at the Kepler Observatory in Linz. |
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