Definition of skywatch in English:

skywatch

verb

[NO OBJECT]informal
  • Observe or monitor the sky, especially for celestial objects or aircraft:

    ‘I sometimes skywatch just for the fun of it’
    • ‘Last night I was googling for info on the best spots to skywatch here in Ottawa.’
    • ‘A few years ago I tried some skywatching in a cruise ship out at sea.’
    • ‘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.’

Pronunciation:

skywatch

/ˈskʌɪwɒtʃ/