Exposure data
Telescope: 4.5″ Newton f=440mm
Camera: SBIG ST8300M
Filters: Baader HαLRGB
Exposure times: Hα: 24x10min L: 15x10min R: 8x5min G: 8x5min B: 8x5min
Exposure time total: 8h 30min (HαLRGB) 4h 30min (LRGB)
Mount: 10 Micron GM 1000 HPS
Location: Erdweg/Germany (500m)
Date: 2021-09-08+09
Object data of NGC 7635
Object type: Emission nebula
Size: 15′
Magnitude: 11.0 mag
Constellation: Cassiopeia
Distance: 7100 Ly
Object data of M 52
Object type: Open star cluster (ll 2 r)
Size: 13′
Magnitude: 6.9 mag
Constellation: Cassiopeia
Distance: 4600 Ly