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The astrophotography communities I am a member of tend to use the Bortle scale map at https://www.lightpollutionmap.info/ https://www.lightpollutionmap.info/ T
by bradknowles 2y ago
The astrophotography communities I am a member of tend to use the Bortle scale map at https://www.lightpollutionmap.info/ https://www.lightpollutionmap.info/
This one is more mobile-friendly, IMO.