This is a wide field image shot at a focal length 388mm, this was tough as I was imaging right beside and across from a street light. Normally I would only image Narrowband in this direction SE, other then NGC3623, NGC3627, NGC3628 there are an additional 11 Galaxy’s. Total exposure is 80 minutes in LRGB. Processing was challenging exposures over 120 seconds with Broadband made LP hard top deal with even with an L- extreme filter. Their was a clear gradient from lest to light due to the street light that was difficult to deal with in post. Looking for a good back yard to setup in to reimage this one.
LRGB 10 x 120sec
ZWO 294Mc Pro
ZWO 120mm for guiding, Offset
Antlia 3nm Broadband filter
ASIair Plus for image acquisition and guiding