2021 Optolong Deep-Sky Astrophotography Competition
Aug 21, 2017–Dec 6, 2021
Optolong Astronomy Filter (Owner)
Lucila Galarza
Diego Gravinese
Dana Kretzschmar
Francisco Mayorga
Emozione Natura GAE Roberto Ciri
AstronomiaNoCerrado DF
Verónica Brunetti
Nina Pap