NGC 7822

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Object: NGC 7822
Date: 20.-21.10.2009
Scope, mount, camera: FSQ-106 ED, f/5.0, MAM50, ST-10XME
Filter, exposure time: Lchi(RHa)GB
LChi = Ha+R+G+B (noise weighted)
RHa = 0.9*R + 1.0*Ha
Ha = 5*1200s
RGB = (8x8x8)*240s
Total exposure time: 4h06min
Location: La Palma, Roque de los muchachos
Comments: Data reduction with THELI, colour composition in PS. NOMAD1 BVR colour calibration. Resampled from 2.6"/pixel to 2.0"/pixel.