Telescope:    4,5" Newton f=440mm
Camera:    SBIG ST8300M
Filters:    Baader HαLRGB
Exposure times:    Hα:15x10min L: 5x3min R: 6x3min G: 6x3min B: 6x3min
Exposure time total:    3h 39min
Mount:   10Micron 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