Panoramic View from Heroldstatt TowerSwabian Jura, Southern Germany, 810 m + 30 m
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The brightness in the zenith was down to 21.22 mag per arcsecond2 at about 23:50 CET, 02.08.2021. 21.22 mag per arcsecond2 is 2 times more bright than the natural clear and moonless sky. This is due to light pollution and the milky way in the zenith at this time. Therefore the sky is brightened by 100 %. Measurements were obtained with SQM-LU-DL, serial number 2030. Strongest sources of light pollution are the cities of Stuttgart and Ulm, about 50 and 30 km distant, respectively. Some direct light of uncomplete shielded sources is from companies at Heroldstatt-Sontheim. | ||||||||||||||||
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