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Starless Caldwell 49, 



    
        

            Nico Augustin

Starless Caldwell 49

Technical card


Dates:Jan. 22, 2020March 15, 2020

Frames:
27x180" (gain: 120.00) 0C
40x300" (gain: 171.00) -15C

Integration: 4.7 hours

Darks: ~45

Flats: ~37

Flat darks: ~50

Avg. Moon age: 24.22 days

Avg. Moon phase: 32.88%

Bortle Dark-Sky Scale: 5.50

Temperature: 14.00


Basic astrometry details

Astrometry.net job: 3326282


Resolution: 1918x1918

Locations: N von Selenter See bei Gut Salzow, Fargau-Pratjau, Schleswig-Holstein, Germany; KAUST Backyard, Thuwal, Makkah, Saudi Arabia

Data source: Traveller

Description

Starless Caldwell 49 aka the Rosette Nebula! 🤩 The few stars of NGC2244 I let in as they are closely associated to this nebulosity and formed from its matter.
The image is based on 4:40 hrs of data, collected over two sessions with a RedCat 51 and ASI 294 MC Pro. After calibration and integration in Astro Pixel Processor, the starless picture was created with StarNet++ and finished in Photoshop (with a little Corel Photo-Paint).

Comments

Author

naugustin
Nico Augustin
License: None (All rights reserved)
4412
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Histogram

Starless Caldwell 49, 



    
        

            Nico Augustin