Technical Data
Optics Takahashi FS-128 Apochromatic refractor
Focal Lenght 780 mm
Focal Ratio f/6
Exposure Time Lum=10x900sec, RGB=4x300sec each, CCD -20 degrees, total exposure: 3.5 hours
CCD camera SBIG STL-4020, Astrodon 2" LRGB filters
Processing Enhanced in Adobe Photoshop 6.0
Location Berkshire, New York
Date of exposure start 07/25/2008
Mount Astro-Physics 1200

nebula 


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Joseph Schaefer 2002