NGC 2174 (also known as Monkey Head Nebula) is an Hydrogen] emission nebula located in the constellation Orion.
It is associated with the open star cluster NGC 2175.
It is thought to be located about 6,400 light-years away from Earth. (wiki)

This is the full frame image...Please see the next 2 images for a closer look on the lower interesting part...

S2-HA-O3-RGB image:
Ha as Luminance - 2 hrs
O3,S2 - 30 min each
RGB 20 min each


Total of 4 hrs

Telescope: ASA600 24" RC with Reducer at f4.5
Mount: ASA DDM200 Direct Drive with Absolute Encoders
Camera: Moravian G3 61000 pro

Imaged from Tivoli farm, Namibia