M 22

100% resolution (1567 x 1168px)

Exposure data

Telescope:    4.5" Newton f=440mm
Camera:    SBIG ST2000XM
Filters:    SBIG LRGB
Exposure times:    L:40x90s+10x30s R:6x2min G:6x2min B:6x2min
Exposure time total:    1h 41min
Mount:    Vixen New Atlux
Location:    Erdweg/Germany (500m)
Date:    2010-06-25

Object data of M 22

Object type:    Globular cluster (Vll)
Size:    32'
Magnitude:    5.1 mag
Constellation:    Sagittarius
Distance:    10400 Ly