Open Cluster NGC 2175 (also known as OCL 476 or Cr 84) is an open cluster in the Orion constellation, embedded in a diffusion nebula. It was discovered by Giovanni Batista Hodierna before 1654 and independently discovered by Karl Christian Bruhns in 1857. NGC 2175 is at a distance of about 6,350 light years away from Earth.
Object Designations:
Also known as: Sometimes called the Monkey Head Nebula
Constellation: Orion
Object Type: open cluster
Distance: 6350 light-years away
Magnitude: 6.8
Discovery: Batista Hodierna before 1654
This final image is:
20 – 30 second subs at 100 gain – no filter – 10 minutes of integration
I processed the images using Pixinsight using:
Blink to clear out low quality images
Weighted Batch Balance
SpectroPhotometricCalibration
AutomaticBackgroundExtractor
BlurExterminator
NoiseExterminator
GeneralizedHyperbolicStrectch
ColorCalibration on both versions
StarXTerminator
Curves on both versions using other version as mask
Pixmath to put stars back with both images.
