Reading a light pollution map
Finding the dark places within an hour of home, and what the colours on the map mean.
October 3, 2026 · 10 min
What to pack for a night in the cold
Newsletter
Dark Sky Notes
A short letter every other Sunday from the field: what is in the sky, one tip and one picture to try.
More videos
Using a red torch without ruining your eyes
Why a red light helps, how bright to go and how to keep your night vision.