Exposure data

Optics: Pentax Asahi 200mm @ f/4 + 4.5″ Newton f=440mm
Cameras: SBIG ST8300M + SBIG ST2000XM
Filters: Baader HαRGB + Astronomik Hα (13nm)
Exposure times: Hα: 35x10min+12x15min R: 6x10min G: 6x10min B: 6x10min
Exposure time total: 11h 50min
Mount: Vixen New Atlux
Location: Erdweg/Germany (500m)
Date: 2005-07-25+26 + 2006-07-19+20 + 2012-04-27+28+29