Panoramic View from Hoher List Observatory

Eifel, West Germany, 549 m

Date:	10.08.2021	Time:	23:40 UT (CET-1h)
Exposure:	21 x 20s	Field of view:	360^o x 180^o
Camera:	Canon EOS1D IV at ISO 3200	Optics:	15mm, f/2.8
Place:	Hoher List Observatory, Germany	Author:	Till Credner

The brightness in the zenith was down to 21.23 mag per arcsecond² at about 1:21 CET, 11.08.2021. 21.23 mag per arcsecond² is two times more bright than the natural clear and moonless sky. This is mainly due to light pollution. Therefore the sky is brightened by 100 %. Measurements were obtained with SQM-LU-DL, serial number 2030. The night of 13./14. August was exceptionally clear. The brightness went down to 21.31 mag per arcsecond². Strong sources of light pollution are Airport Hahn, Schalkenmehren, Air Force Base Spangdahlem and Wittlich.

Brightness curves from 11./12.08.2021, 12./13.08.2021, 13./14.08.2021, 14./15.08.2021

Aerial View

Date:	11.08.2021	Time:	23:13 UT (CET-1h)
Exposure:	mutiple 5s exposures	Field of view:	360^o x 180^o
Camera:	Hasselblad on DJI Mavic Pro	Optics:	10mm, f/2.8
Place:	Hoher List Observatory, Germany	Author:	Antonio Schmusch

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