Constellation Cassiopeia

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Exposure data

Telescopes:    Pentax Asahi 55mm @ f/4 + 4.5" Newton f=440mm
Camera:    SBIG ST8300M
Filters:    Baader HαLRGB
Exposure times:    Hα:6x15min L:16x15min R:6x15min G:6x15min B:6x15min
Exposure time total:    10h
Mount:    Vixen New Atlux
Location:    Erdweg/Germany (500m)
Date:    2012-08-27+28