Bortle Dark-Sky Scale
Sign in to saveAlso known as Bortle scale, Bottle scale
scale of night sky brightness
Wikidata facts
- Official website
- skyandtelescope.org/astronomy-resources/light-pollution-and-astronomy-the-bortle-dark-sky-scale
- Image
- How light pollution affects the dark night skies (dark-skies) (flipped left-right).jpg
Show 2 more facts
- time of discovery or invention
- 2001-00-00
- facet of
- light pollution
Sources (2)
via Wikidata · CC0