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Contains:  The star 40Cyg, The star Sadr (γCyg), The star 34Cyg
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Gamma Cygni, Sadr, & The Crescent Nebula, 





    
        

            David McGarvey
Gamma Cygni, Sadr, & The Crescent Nebula

Gamma Cygni, Sadr, & The Crescent Nebula

Technical card

Resolution: 1920x1919

Dates:June 25, 2019

Frames: 43x120"

Integration: 1.4 hours

Avg. Moon age: 22.23 days

Avg. Moon phase: 49.08%

Astrometry.net job: 3057310

RA center: 20h 20' 6"

DEC center: +39° 47' 56"

Pixel scale: 8.125 arcsec/pixel

Orientation: 67.886 degrees

Field radius: 3.063

Locations: Back Yard, Westover, Pennsylvania, United States

Data source: Backyard

Description

Gamma Cygni, Sadr, & The Crescent Nebula as seen from my back yard in central Pennsylvania, USA on 6/25/19 - Bortle class 4 skies.

Nikon D750 (Stock)
Nikkor 300mm f/2.8 AI-S ED lens
f/2.8
ISO 1600
AstroTrac TT320X-AG - no guiding
Induro CLT404L Tripod

Acquisition:

43 x 120" exposures (86 mins. total integration time)

Processing:

RawTherapee, Deep Sky Stacker, RNC-Color-Stretch, & Photoshop.

Comments

Author

dmcgarvey
David McGarvey
License: None (All rights reserved)
1881
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Revisions

  • Gamma Cygni, Sadr, & The Crescent Nebula, 





    
        

            David McGarvey
    Original
  • Final
    Gamma Cygni, Sadr, & The Crescent Nebula, 





    
        

            David McGarvey
    B

Sky plot

Sky plot

Histogram

Gamma Cygni, Sadr, & The Crescent Nebula, 





    
        

            David McGarvey