Technical Data
Optics Takahashi FS-128 Apochromatic refractor
Focal Lenght 780 mm
Focal Ratio f/6.1
Exposure Time Ha=120 min (15x480sec)
CCD camera SBIG STL-4020, Astroson 2" Hydrogen-alpha filter 6nm
Processing MaxIm DL, Photoshop 5.5
Location Berkshire, New York
Date of exposure 9/3/2005
Mount Astro-Physics 1200

nebula 


Return to Home Page 

Joseph Schaefer 2002