M11 Open cluster and dark nebulae in Scutum
 
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Telescope: Takahashi BRC-250, 1260 mm, F/5
CCD Camera: Finger Lakes ProLine 16803 / CFW-4-5
Mount: German equatorial mount German Astro-Physics 1200 GTO
Integration: LRGB 90:30:30:30 min. L binning 1x1, RGB binning 2x2
Date / Location / Sky: 16 August 2007 Sicily, Nebrodi Mounts
Good seeing 20.5 mag. per squared arcsec, medium transparency
Software: MaxIm-DL, Registar, PhotoShop