Technical Data
Optics Takahashi FS-128 Apochromatic refractor
Focal Lenght 780 mm
Focal Ratio f/6.1
Exposure Time Ha=11x480 sec RGB=1x480sec each -25 degrees un-guided
CCD camera SBIG STL-4020, Astroson 2" Ha,RGB filters
Processing MaxIm DL, Photoshop 5.5 and Pleiades PixInsight
Location Backyard observatory, Berkshire, New York
Date of exposure 5/29/2006
Mount Astro-Physics 1200

nebula 


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Joseph Schaefer 2002