Orion
H-a with the Mandel Wide Field Adapter
This CCD image was taken with an SBIG ST8E camera and a 19-35mm fl Nikkor camera lens set at 35mm fl at f/4.  It is the combination of  6, 10-minute exposures with an H-a filter.  Image acquisition and not too much processing were done with Maxim and Photoshop.

The field of view in this image is:  15 degrees x 22 degrees.
 


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