California widefield
Acquisition Details
- Date Posted: July 20, 2006
- Resolutions: 1945x1304 , 1945x1304 , 1945x1304
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Description
A widefield image of the California Nebula in H alpha, taken to find its full extent. Burnhams Handbook gives an angular size of about 2 1/2 degrees for the nebula, but the nebulosity here covers over 6 degrees. Nikon 180mm lens, STL6303 camera, Barr Associates 4nm Ha filter. Nine hours exposure, processing in Maxim.
- User details
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- peter erdman
- January 19, 2022
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