Hemisphere:  Northern  ·  Constellation: Monoceros (Mon)  ·  Contains:  NGC 2236  ·  NGC 2237  ·  NGC 2238  ·  NGC 2239  ·  NGC 2246  ·  NGC 2252  ·  Rosette A  ·  Rosette B  ·  Rosette Nebula  ·  The star 12Mon
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The Rosette Nebula - NGC2237, 


            Vincent Savioz
The Rosette Nebula - NGC2237
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The Rosette Nebula - NGC2237

Imaging telescopes or lenses: TS-Optics TS 100 Quadruplet

Imaging cameras: ZWO ASI1600MM-C

Mounts: SkyWatcher EQ6 PRO GOTO

Guiding telescopes or lenses: Orion 80/400

Guiding cameras: Orion Starshoot autoguider

Software: PHD Lab PhD 2 Guiding  ·  Pleyades Astrophoto PixInsight Ripley  ·  Topaz Denoise AI  ·  Main Sequence Software SGPro  ·  Sequence Generator Pro  ·  Photoshop

Filters: Astrodon OIII 3nm 36mm  ·  Astrodon Ha 3nm 36mm  ·  Astrodon SII 3nm 36mm

Accessory: PrimaLuceLab Sesto Senso focuser  ·  ScopeDome 3M  ·  ZWO Filterwheel EFW 7x 36mm

Dates:Nov. 7, 2020Nov. 11, 2020Nov. 13, 2020Nov. 15, 2020Nov. 17, 2020Nov. 19, 2020

Astrodon Ha 3nm 36mm: 300x120" (gain: 200.00) -20C bin 1x1
Astrodon OIII 3nm 36mm: 300x120" (gain: 200.00) -20C bin 1x1
Astrodon SII 3nm 36mm: 300x120" (gain: 200.00) -20C bin 1x1

Integration: 30.0 hours

Darks: ~50

Flats: ~30

Bias: ~50

Avg. Moon age: 13.59 days

Avg. Moon phase: 19.29%

Bortle Dark-Sky Scale: 4.00

Temperature: 5.00

Astrometry.net job: 4021113

RA center: 6h 32' 28"

DEC center: +4° 58' 12"

Pixel scale: 1.345 arcsec/pixel

Orientation: 269.761 degrees

Field radius: 2.562 degrees

Resolution: 12277x6116

Data source: Own remote observatory

Remote source: Non-commercial independent facility


The Rosette Nebula (also known as Caldwell 49) is an 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 (Caldwell 50) is closely associated with the nebulosity, the stars of the cluster having been formed from the nebula's matter.
Source: Wikipedia

I don’t usually do this kind of mosaic, mainly because I like to focus on a specific object. But this time, I decided to go with a large 6-panel panorama of the NGC2237 region, showing many details in the nebulosity and around.
It’s also the first time that I used Topaz DeNoise AI, which is quite powerful, especially when used at the beginning of the processing.
Overall, I very happy with the result. This might be one of my best pictures! Advice and criticism are always welcome!



  • Final
    The Rosette Nebula - NGC2237, 


            Vincent Savioz
  • The Rosette Nebula - NGC2237, 


            Vincent Savioz


Description: Cropped version and rotated version to achieve a more "conventional" look !

Uploaded: ...

Sky plot

Sky plot


The Rosette Nebula - NGC2237, 


            Vincent Savioz