Exposure data
Telescope: 10″ Lacerta Newton f=1000mm
Camera: SBIG ST8300M
Filters: Baader HαLRGB
Exposure times: Hα: 15x10min L: 5x3min R: 6x3min G: 6x3min B: 6x3min
Exposure time total: 3h 35min
Mount: 10 Micron GM 1000 HPS
Location: Erdweg/Germany (500m)
Date: 2022-03-10
Object data of NGC 2237
Object type: Open cluster (ll 3 r n) with emission nebula
Size: 80′ x 60′
Magnitude: 6.0 mag
Constellation: Monoceros
Distance: 5000 Ly
