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Contains:  12 Mon, NGC 2237, NGC 2238, NGC 2239, NGC 2246, NGC 2252, NGC2237, NGC2238, NGC2239, NGC2244, NGC2246, NGC2252, Rosette A, Rosette B, Rosette Nebula, Rosette nebula, Sh2-275, The star 12Mon
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NGC 2244 Rosetta nebula, 


            Riedl Rudolf
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NGC 2244 Rosetta nebula

Technical card

Dates:March 18, 2020

Frames: 19x302" ISO1600

Integration: 1.6 hours

Darks: ~25

Flats: ~25

Bias: ~25

Avg. Moon age: 24.17 days

Avg. Moon phase: 29.14%

Bortle Dark-Sky Scale: 3.00

Mean SQM: 21.20

Temperature: 3.00 job: 3350246

RA center: 6h 32' 37"

DEC center: +4° 57' 19"

Pixel scale: 3.161 arcsec/pixel

Orientation: -179.130 degrees

Field radius: 1.663 degrees

Resolution: 3074x2214

Data source: Backyard


This is one of the pictures taken with the new Sharpstar 2032PNT. I tried to optimize the collimation and finally made it worse :-(



Riedl Rudolf
License: None (All rights reserved)


  • NGC 2244 Rosetta nebula, 


            Riedl Rudolf
  • Final
    NGC 2244 Rosetta nebula, 


            Riedl Rudolf


Description: Seems to be a star forming region within the nebula

Sky plot

Sky plot


NGC 2244 Rosetta nebula, 


            Riedl Rudolf