NGC 2174 HOO (patrice_so)

Celestial hemisphere: Northern · Constellation: Orion (Ori) · Contains: Monkey Head Nebula · NGC 2174 · NGC 2175

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NGC 2174 HOO

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NGC 2174 HOO

This is my first image captured with a duoband filter. Unsurprisingly, my ASI294MC had troubles with the l-ultimate and I sweated quite a bit on the processing to calibrate out (and gradient-extract in SIRIL to be honest...) the characteristic bretzel-shaped pattern. I'm also missing some RGB stars which I'll add as soon as possible.
In spite of these difficulties, I am quite happy with the outcome. I tried to give as much as possible of softness to the colours while keeping the edges acceptably sharp. I do like the HOO coming out with less red as what you usually see for this target (see also my second version of it in R-RGG, which is more classical).

NGC2174, HOO
TS UNC 200/800 quarz
50x600s (with darks, flats and darkflats)
ASI294MC pro
L-ultimate
ASI120mm for the guidate
SVBONY 106
EQR6-pro
Siril, GIMP, astrosurface
It was cold... I got some serious frost on my scope during that night !
Clear skies !

Final
Original
B

B

Title: NGC 2174 R-RGG reprocessed version

Description: Reprocessed version of the same data, using a R-RGG composition after an RGB extract of the OSC l-ultimate data.

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Status	Basic success
Started	...
Astrometry.net job	6723046
PixInsight job	n/a
PixInsight queue size	n/a
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