Definition of astrophotography in English:

astrophotography

noun

  • [mass noun] The use of photography in astronomy.

    • ‘The students use their telescopes for planetary and lunar viewing as well as some basic astrophotography.’
    • ‘Steve has now been bitten by the astrophotography bug; here are his first-ever pictures taken through a telescope.’

Pronunciation:

astrophotography

/ˌastrə(ʊ)fəˈtɒɡrəfi/