It's been awhile since I've shared a pix here. This is my rendition of the Horsehead Nebula in Bicolour (Hα & Oiii) taken in mid Dec. I wanted to capture in landscape to get the wall as much as possible but the flare from Alnitak is a bummer. I should probably should have framed it better.
Image capture details are as follows :-
Takahashi µ250CRS @ native 2500mm F10
Vixen AXD Mount
ASI6200MM/EFW/ZWO filters
-10C 100 Gain 50 Offset
ASI174mm mini guide cam on ZWO OAG M68
63x 5 min Hα over 2 nights
48x 5 min Oiii over 2 night
(Total 9.25hrs)
30x flats of each filter
30x flat dark matching for each filter flat
50x darks
Acquisition managed by N.I.N.A.