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Contains:  NGC 6914, M 29, NGC 6913, NGC 6910, gamma Cyg nebula, IC 1318, IC 4996, Crescent nebula, NGC 6888, IC 1311, The star 40Cyg, The star Sadr (γCyg), The star 36Cyg, The star 34Cyg
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Sadr Nebulosity and Surroundings, 





    
        

            Gabriel R. Santos...
Sadr Nebulosity and Surroundings

Sadr Nebulosity and Surroundings

Technical card

Resolution: 2400x1600

Dates:July 30, 2016

Frames: 29x120" ISO1600

Integration: 1.0 hours

Darks: ~20

Bias: ~30

Avg. Moon age: 25.98 days

Avg. Moon phase: 13.61%

Mean SQM: 21.50

Temperature: 4.40

Astrometry.net job: 1454917

RA center: 305.120 degrees

DEC center: 40.131 degrees

Pixel scale: 9.716 arcsec/pixel

Orientation: 120.329 degrees

Field radius: 3.893 degrees

Locations: Sítio, Cristina, MG, Brazil

Description

*Please check the full image 2400px - resized from original)*

Constructive criticism, comments and suggestions are more than welcome in the comments section. Thank's for taking your time to look at this image.

Taken from Rural Skies (Bortle 3-4; NELM ~6.2; SQM ~21.6*calculated), from Cristina, MG, Brazil (22ºS latitude).

Date and Time: July 30th, 2016, at 22:30h (UTC-3, start of capture)
Camera: Unmodded Canon T4i/650D, at ISO 1600
Lens: Tamron 70-200mm f/2.8, at 200mm, operated at f/3.5
Mount: Sky-Watcher HEQ5, tracking, controlled with EQASCOM, unguided
Exposure Detail: 29x120s (total 58min)

Comments

Author

grsotnas
Gabriel R. Santos...
License: None (All rights reserved)
3012
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Revisions

  • Sadr Nebulosity and Surroundings, 





    
        

            Gabriel R. Santos...
    Original
  • Sadr Nebulosity and Surroundings, 





    
        

            Gabriel R. Santos...
    B
  • Final
    Sadr Nebulosity and Surroundings, 





    
        

            Gabriel R. Santos...
    C

B

Enhanced contrast, color and gradient correction

C

More agressive star shrinking and curves adjustment to better show nebulosity

Sky plot

Sky plot

Histogram

Sadr Nebulosity and Surroundings, 





    
        

            Gabriel R. Santos...