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Panoramic View from Hohe Warte

St. Johann, Swabian Jura, Southern Germany, 820 m + 23 m

Date:18.04.2022 Time:20:14 UT
Exposure:13 x 15 s and 14 x 30 s downward Field of view:360o x 180o
Camera:Canon EOS1D IV at ISO 1600 Optics:15 mm, f/2.8 and f/4.0 downward
Place:Hohe Warte, St. Johann,
Southern Germany
Author:Till Credner

The brightness in the zenith was about 20.8 mag per arcsecond2 at 22:14 CEST, 18.04.2022. This is 3 times more bright than the natural clear and moonless sky due to light pollution. Therefore the sky is brightened by 200 % by all the unshielded city lights of Reutlingen, Stuttgart and around. Measurements were obtained with SQM-LU-DL, serial number 2030.

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