Observe or monitor the sky, especially for heavenly bodies or aircraft.
- ‘Last night I was googling for info on the best spots to skywatch here in Ottawa.’
- ‘And I hope that they'll give us the option of engaging the cultural origins of skywatching and how different cultures identify constellations.’
- ‘To date, no one worldwide has a program of organized skywatching.’
- ‘A few years ago I tried some skywatching in a cruise ship out at sea.’