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Contains:  NGC 2239, NGC 2244, NGC 2252, Rosette nebula, The star 12Mon
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Rosette Nebula NGC2237, 


            Stan Smith
Rosette Nebula NGC2237
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Rosette Nebula NGC2237

Technical card

Dates:Dec. 19, 2019Dec. 20, 2019

Optolong Ha 7nm 1,25": 20x300" bin 1x1
Optolong OIII 6.5nm 1.25": 20x300" bin 1x1
Optolong S-II 6.5nm: 20x300" bin 1x1

Integration: 5.0 hours

Avg. Moon age: 23.00 days

Avg. Moon phase: 41.08%

Bortle Dark-Sky Scale: 4.00 job: 3189892

RA center: 6h 32' 1"

DEC center: +4° 57' 3"

Pixel scale: 3.447 arcsec/pixel

Orientation: 58.329 degrees

Field radius: 1.250 degrees

Resolution: 2048x1620

Locations: DarkSky Observatory (In My Back Yard), Westminster, SC, United States

Data source: Backyard


The Rosette Nebula is a large spherical H II region located near one end of a giant molecular cloud in the Monoceros region of the Milky Way Galaxy. The open cluster NGC 2244 is closely associated with the nebulosity, the stars of the cluster having been formed from the nebula's matter. - Wikipedia



Stan Smith
License: None (All rights reserved)


  • Rosette Nebula NGC2237, 


            Stan Smith
  • Final
    Rosette Nebula NGC2237, 


            Stan Smith

Sky plot

Sky plot


Rosette Nebula NGC2237, 


            Stan Smith