Definition of astrophotograph in English:
astrophotograph
noun
A photograph of a celestial object or of the night sky; an astronomical photograph.
Pronunciation
astrophotograph
/ˌastrə(ʊ)ˈfəʊtəɡrɑːf/ /ˌastrə(ʊ)ˈfəʊtəɡraf/ Origin
Mid 19th century. From astro- + photograph.