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Object name: NGC 2174 Monkey Head Nebula   Optics:   TEC 110 FL Fluorite Apo with original flattener
  Objekt type: Emission nebula   Focal lenght:   110 mm
  Constellation: Orion   Camera:   FLI Microline 16803-65
  Location/Date: Remseck / 08.April 2020   Exposure:   30 x 1200sec H-alpha / 32 x 1200sec O III / 20 x 600sec Blue / Total 23 h
  Distance: approx. 6400 ly   Filters:   Astrodon 3 nm narrowband filters / Baader LRGB filters
  Apparent dimensions:): approx. 40' x 30'   Mount:   10micron GM2000 HPS
  Real dimensions: approx. 75 ly   Autoguiding:   Off-Axis Guider - SX Lodestar
  Brightness: 6.9 mag   Software:   MaxIm DL / Registar / Photoshop CS5 / PixInsight / Straton
  Position (R.A. / DEC): 06h 09' 23.6" / +20° 39' 34"   Image processing:   Tone mapping according to real colors
 
 

Explanation:

The above image shows NGC 2174, also known as the Monkey Head Nebula. There is also a full of view image available HERE including Sharpless-2 247, a tiny red nebula above the Monkey Head.