M13 Hercules Globular Star Cluster




dates: August 14, 17, 2006
LRGB exposure time: Lum = 20*1 min; RGB = 50 min total
Raw FWHM = 1.6"; deconvolved to 1.3"; gamma = 0.25, mild DDP, modest unsharp mask




date: August 17, 2006
RGB exposure time: 50 min total
Raw FWHM = 2.0"; deconvolved to 1.5"; DDP


location: California Central Coast Mountains

imaging setup:
    14.5" f/8 RCOS (http://rcopticalsystems.com/) 
     Astro-Physics 900 mount
     SBIG ST-10e CCD camera
     SBIG AO-L active optic

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