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How dark is the sky in Mecklenburg-Vorpommern?

Sky darkness for 13 towns and parks in Mecklenburg-Vorpommern, worked out from NASA satellite images of light at night (2025). 8 of them have skies of Bortle 4 or darker, where the Milky Way shows overhead. The darkest is Müritz National Park (21.68, Bortle 4), the brightest Rostock (19.32, Bortle 6). The bright core of the Milky Way never climbs clear of the horizon haze anywhere in Mecklenburg-Vorpommern while the sky is fully dark; the rest of the band passes overhead, with the longest moonless nights from September to March.

19 Bortle class, 1 pristine to 9 city center park or dark-sky place city

Numbers like 21.95 or 16.97 are the brightness of the sky overhead on a clear, moonless night, in mag/arcsec². The scale runs backwards: a lower number means a brighter sky, from about 22 for a natural sky to about 17 in a city center.
How the readings are made

All 13 places in Mecklenburg-Vorpommern

Amber names are parks and certified dark-sky places. The figure is the Bortle class: 1 darkest, 9 city center.