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:	360^o x 180^o
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.