Special Celestial Category-Optolong 2023 Nightscape Competition
Feb 28, 2017 – Jul 21, 2023
Optolong Astronomy Filter (Owner)
Quentin G
Ali Alkindi
Štěpán Skalka
邓邓浩诚
Vincent Flouzat
Cari Letelier
Objective Contributor
Maninder Singh
olivier BERNARD
Shikhar Gupta
Makrem Larnaout
François-Xavier Cuvelier
Kevin Kistermann