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Exposure data

Telescope:    4.5" Newton f=440mm
Camera:    SBIG ST2000XM
Filters:    Baader LRGB + Astronomik Hα (13nm)
Exposure times:    Hα:18x10min L:2x10min R:2x10min G:2x10min B:2x10min
Exposure time total:    5h
Mount:    Vixen New Atlux
Location:    Erdweg/Germany (500m)
Date:    2011-09-23+24
Object data of M 52

Object type:    Open cluster (ll 2 r)
Size:    13'
Magnitude:    6.9 mag
Constellation:    Cassiopeia
Distance:    4600 Ly
Object data of NGC 7635

Object type:    Emission nebula
Size:    15'
Magnitude:    11.0 mag
Constellation:    Cassiopeia
Distance:    7100 Ly