M 10

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Object: M 10
Date: 2009-07-[17,21,22]
Scope, mount, camera: 12.5" Newtonian, f/5.1, MAM50, ST-10XME
Filter, exposure time: L = 22*180s, RGB = (12x16x16)*300s
Total exposure time: 4h46min
Location: La Palma, Roque de los muchachos
Comments: Data reduction with THELI, colour composition in PS. Resampled from 0.85"/pixel to 0.65"/pixel. Image seein 1.85". Taken in highly non-photometric conditions with up to 0.7 mag extinction.