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NGC2174 (Monkey Head Nebula) in Hydrogen-Alpha, no stars, Derek Spratt

NGC2174 (Monkey Head Nebula) in Hydrogen-Alpha, no stars

Getting plate-solving status, please wait...
NGC2174 (Monkey Head Nebula) in Hydrogen-Alpha, no stars, Derek Spratt

NGC2174 (Monkey Head Nebula) in Hydrogen-Alpha, no stars

Equipment

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Description

Bortle 7 urban skies, some moon glow, good tracking at 0.6-0.8as on an image scale of 0.5as/px

I am starting to warm up to this combo of an RC8 + TS Optic field flattener + ASI6200MM full frame camera - not much vignetting (and the flats take care of that pretty well) and stars look good to the edges which is impressive plus >1 degree FOV on a 0.5as/px image scale which is handy for a lot of targets.

2 versions of this image are available ...

NGC2174 in SHO, with stars: https://www.astrobin.com/bdknt8/
NGC2174 in Ha, no stars: https://www.astrobin.com/z7nkr8/

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Histogram

NGC2174 (Monkey Head Nebula) in Hydrogen-Alpha, no stars, Derek Spratt