My final result of the Horsehead Nebula (also known as Barnard 33) in Orion. For now at least. Next time I will image this object it will be in the light of hydrogen. For now, this is what 80 minutes (192 frames, each a 25 seconds exposure) of unfiltered data looks like under good conditions (mag +6 sky):
And a smaller version, this time together with the Flame Nebula. This is a two-frame mosaic, resized to 70%.
A crop 100% size, mosaic. A different processing workflow was used:
And the Flame nebula, reworked: