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Contains:  Monkey Head Nebula, NGC 2174, NGC 2175
Getting plate-solving status, please wait...
NGC-2174 (Monkey Head Nebula) NB+RGB, 


            Iñigo Gamarra
NGC-2174 (Monkey Head Nebula) NB+RGB
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NGC-2174 (Monkey Head Nebula) NB+RGB

Technical card

Dates:Jan. 14, 2020Jan. 15, 2020Jan. 16, 2020Jan. 17, 2020

Baader 36mm Ha 7nm: 49x600" -25C bin 1x1
Baader 36mm OIII 8.5nm: 30x600" -25C bin 1x1
Baader 36mm SII 8,5nm: 35x600" -25C bin 1x1
Baader LRGB: 120x60" bin 1x1

Integration: 21.0 hours

Avg. Moon age: 20.46 days

Avg. Moon phase: 66.96%

Bortle Dark-Sky Scale: 7.00

Basic astrometry details job: 3324466

RA center: 6h 9' 51"

DEC center: +20° 34' 37"

Pixel scale: 1.045 arcsec/pixel

Orientation: 280.687 degrees

Field radius: 0.524 degrees

Resolution: 2821x2253

Locations: Observatorio particular, La nucia, Alicante, Spain

Data source: Backyard


NGC 2174 (also known as the Monkey Head Nebula) is an H II emission nebula located in the constellation Orion and is associated with the open star cluster NGC 2175. It is believed to be about 6,400 light years away from Earth . The nebula may have formed through hierarchical collapse.

SHO version of the monkey head nebula, although I had planned to repeat some shots (the guide did not work properly) and increase the time in OIII and SII the storms approach the Mediterranean and decided to pick up the equipment and wait for clear skies, this is the result and I hope you like it.
Greetings and clear skies for everyone.



Iñigo Gamarra
License: None (All rights reserved)


  • NGC-2174 (Monkey Head Nebula) NB+RGB, 


            Iñigo Gamarra
  • NGC-2174 (Monkey Head Nebula) NB+RGB, 


            Iñigo Gamarra
  • Final
    NGC-2174 (Monkey Head Nebula) NB+RGB, 


            Iñigo Gamarra

Sky plot

Sky plot


NGC-2174 (Monkey Head Nebula) NB+RGB, 


            Iñigo Gamarra