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Contains:  NGC 2244, Rosette nebula, NGC 2239, The star 12Mon
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Caldwell 49 The Rosette Nebula, 





    
        

            Chuen Chung Chui
Caldwell 49 The Rosette Nebula

Caldwell 49 The Rosette Nebula

Technical card

Resolution: 4429x3193

Dates:Jan. 8, 2019

Frames:STC Optics Astro Duo-Narrowband Filter: 20x600" ISO3750 -30C bin 1x1

Integration: 3.3 hours

Darks: ~30

Flats: ~15

Flat darks: ~30

Bias: ~30

Avg. Moon age: 2.18 days

Avg. Moon phase: 5.30%

Bortle Dark-Sky Scale: 6.00

Astrometry.net job: 2466760

RA center: 97.922 degrees

DEC center: 4.975 degrees

Pixel scale: 1.503 arcsec/pixel

Orientation: 96.488 degrees

Field radius: 1.139 degrees

Locations: Backyard, Reading, Berkshire, United Kingdom

Data source: Backyard

Comments

Author

c3_astrophoto
Chuen Chung Chui
License: None (All rights reserved)
460
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Revisions

  • Caldwell 49 The Rosette Nebula, 





    
        

            Chuen Chung Chui
    Original
  • Caldwell 49 The Rosette Nebula, 





    
        

            Chuen Chung Chui
    B
  • Caldwell 49 The Rosette Nebula, 





    
        

            Chuen Chung Chui
    C
  • Final
    Caldwell 49 The Rosette Nebula, 





    
        

            Chuen Chung Chui
    D

B

Reduced the red saturation of the image to reveal more contrast in colours.

D

Adjusted contrasts and colours.

Sky plot

Sky plot

Histogram

Caldwell 49 The Rosette Nebula, 





    
        

            Chuen Chung Chui