This CCD image was taken with a Nikkor 180mm f/2.8 (operating at f/2.8), the Mandel Wide Field Imaging Adapter, SBIG ST10e camera and a CFW8 and a H-a filter . It is the combination of the following exposures for a total exposure time of 4 hours and 20 minutes:
13 x 20 minutes
The image was processed using MaxIm
DL and Photoshop using the Grain Surgery plug-in.