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Contains:  NGC 2252, NGC 2244, Rosette nebula, NGC 2239, The star 12Mon
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Rosetta Nebula (NGC2237) in HSTrgb, 





    
        

            Jose Carballada
Rosetta Nebula (NGC2237) in HSTrgb

Rosetta Nebula (NGC2237) in HSTrgb

Technical card

Resolution: 4445x3480

Dates:Dec. 31, 2018Jan. 1, 2019Jan. 2, 2019Jan. 3, 2019Jan. 5, 2019

Frames:
Astrodon B Gen.2 E-series 36mm: 20x10" (gain: 200.00) -20C bin 1x1
Astrodon G Gen.2 E-series 36mm: 25x10" (gain: 200.00) -20C bin 1x1
Astrodon HA 36mm - 5nm: 247x180" (gain: 200.00) -20C bin 1x1
Astrodon O-III 36mm - 5nm: 53x300" (gain: 200.00) -20C bin 1x1
Astrodon R Gen.2 E-series 36mm: 40x10" (gain: 200.00) -20C bin 1x1
Astrodon S-II 36mm - 5nm: 52x180" (gain: 200.00) -20C bin 1x1

Integration: 19.6 hours

Avg. Moon age: 26.38 days

Avg. Moon phase: 13.18%

Astrometry.net job: 2501799

RA center: 97.993 degrees

DEC center: 4.971 degrees

Pixel scale: 1.468 arcsec/pixel

Orientation: 270.358 degrees

Field radius: 1.151 degrees

Locations: AAS Montsec, Àger, Lleida, Spain

Data source: Own remote observatory

Remote source: Non-commercial independent facility

Description

A classic process for a classic target, one of the most beautiful and accessible nebula.

I tried to reveal all the complexity on the nebular gases.

It was a difficult object on my old location because theri max altitude is 53º and it was poorly visible. Now in Montsec it's still at 53º max but with clear horizon it was possible to add close to 20 hours of end integration.

"The cluster and nebula lie at a distance of some 5,000 light-years from Earth and measure roughly 130 light years in diameter. The radiation from the young stars excites the atoms in the nebula, causing them to emit radiation themselves producing the emission nebula we see. The mass of the nebula is estimated to be around 10,000 solar masses."
(credits description: Wikipedia)

Comments

Author

Carballada
Jose Carballada
License: Attribution-NonCommercial-ShareAlike Creative Commons
1992
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Revisions

  • Rosetta Nebula (NGC2237) in HSTrgb, 





    
        

            Jose Carballada
    Original
  • Rosetta Nebula (NGC2237) in HSTrgb, 





    
        

            Jose Carballada
    B
  • Final
    Rosetta Nebula (NGC2237) in HSTrgb, 





    
        

            Jose Carballada
    C

B

less green channel dominant

C

Final version with full res

Sky plot

Sky plot

Histogram

Rosetta Nebula (NGC2237) in HSTrgb, 





    
        

            Jose Carballada