M16 nebula in Serpens
 
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Telescope: Officina Stellare RC Pro 12,5" with focal reductor f/6.7, 2134 mm
CCD Camera: SBIG STL-6303
Mount: German equatorial mount Astro-Physics 1200 GTO
Integration: LHRGB 240:100:90:90:90
Date / Location / Sky: 25 June, 22,23 July 2009 Sicily, Nebrodi Mounts, 1500 m. s.l.
FWHM: 2.4" Sky luminosity: 21.3 mag. per squared arcsec
Software: MaxIm-DL, PixInsight, PhotoShop