Then there is presentation. Is it best to show a wider field greyed over, or just a circular image with no indication of what lies outside the EP view?
The attached image has been suppressed, but even so, it shows nebulosity at a higher level than I've ever seen it naked eye. Also, a webcam chip, DSI etc. might have trouble covering the fov of all but the shortest fl EPs as well.
There is a lot of work in a project of this nature.
The attached image was a combine of 6x 5min subs through an ED80 with a Canon 350D. The original image shows the running man nebula off to the left, and the M42 core burned out.
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