Nebula Photos | How Dark Are Your Skies? @NebulaPhotos | Uploaded June 2021 | Updated October 2024, 1 hour ago.
The pros and cons of three methods for evaluating Sky Quality.

Method 1 (Satellite data): lightpollutionmap.info
Method 2 (Bortle scale): skyandtelescope.org/astronomy-resources/light-pollution-and-astronomy-the-bortle-dark-sky-scale
Method 3 (Light pollution meters): Unihedron Meters - unihedron.com Stars4All Meters - https://tess.stars4all.eu/products/

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