At the Texas Star Party this year I may undertake a fun project ... 4 panel mosaic of the beautiful Antares region. Should span about 7 by 10 degrees. My camera is a modified Nikon D750 DSLR.
Having never attempted a mosaic before, at what point in processing should one do the mosaic stitching operation? My favorite astro-pic program is PixInsight. Also, do folks have favorite stitching programs?
I would imagine that each panel should be as identical as possible for number of exposures, exposure time, and cal data.