Bortle Scale – a scale for night sky brightness and light polution (en.wikipedia.org)

1 points by Schattenbaer 6y ago ↗ HN

0 comments

[ 2.5 ms ] story [ 13.2 ms ] thread

No comments yet.

A showcase of shard-db. Data from the Hacker News API. Refreshed every 15 minutes.

Source · Live DB stats