NGC 4631

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Object: NGC 4631
Date: 13.-14.05.2007
Scope, mount, camera: 12.5" Newtonian, f/5.1 , MAM50, ST-10XME
Filter, exposure time: LRGB (6x8x9x9)*600s, all binned 1x1
Total exposure time: 5h20min
Location: La Palma, Roque de los muchachos
Comments: Image seeing: 1.6"

Due to the good seeing in the luminance channel the native pixel scale of 0.85"/pix was resampled to 0.65"/pixel.
Data reduction with THELI, colour composition in PS.