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Contains:  NGC 2175, NGC 2174
Getting plate-solving status, please wait...
Monkeyhead Nebula, 


            Chris DeCosta (DAV).
Monkeyhead Nebula

Monkeyhead Nebula

Technical card

Resolution: 2860x3158

Dates:Nov. 11, 2019Nov. 20, 2019Nov. 25, 2019

Astrodon 3nm OIII 1.25 Astrodon: 30x600"
Astrodon 5nm Ha 1.25 Astrodon: 39x600" (gain: 6.00)
ZWO SII 7nm 1.25" ZWO: 22x600"

Integration: 15.2 hours

Darks: ~30

Flats: ~36

Bias: ~50

Avg. Moon age: 21.62 days

Avg. Moon phase: 47.81%

Bortle Dark-Sky Scale: 8.00 job: 3077768

RA center: 6h 9' 46"

DEC center: +20° 36' 21"

Pixel scale: 0.876 arcsec/pixel

Orientation: 171.428 degrees

Field radius: 0.518

Locations: Home observatory, Charlotte, North Carolina, United States

Data source: Backyard


Another work in progress still trying to pull more blue out maybe need more OIII, but will be adding more data. Since I can actually do this object with out to many obstacles.



Chris DeCosta (DAV).
License: Attribution-NonCommercial-ShareAlike Creative Commons


  • Monkeyhead Nebula, 


            Chris DeCosta (DAV).
  • Final
    Monkeyhead Nebula, 


            Chris DeCosta (DAV).


Added more OIII and SII. Yes there still will be more data and more in-depth processing.

Sky plot

Sky plot


Monkeyhead Nebula, 


            Chris DeCosta (DAV).