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Contains:  29 b03 Cyg, 34 P Cyg, 36 Cyg, 37 gam Cyg, B343, B344, B347, Crescent Nebula, Crescent nebula, IC 4996, IC4996, M29, NGC 6888, NGC 6910, NGC6881, NGC6888, NGC6910, PK074+01.1, PK074+02.1, PK076+01.1, PK076+01.2, PK077+02.1, PK077+03.2, PK078+00.1, PK079+00.1, Sadr, Sh2-105, Sh2-108, The star 29Cyg, The star 34Cyg, The star 36Cyg, The star Sadr (γCyg), VdB130
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Sadr / Cygnus Butterfly / Gamma Cygni / Crescent w/ DSLR, 



    
        

            Jeffrey Horne
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Sadr / Cygnus Butterfly / Gamma Cygni / Crescent w/ DSLR

Technical card


Dates:Sept. 7, 2019

Frames:Optolong L-eNhance 2": 62x240" ISO1600

Integration: 4.1 hours

Darks: ~64

Flats: ~64

Bias: ~128

Avg. Moon age: 8.70 days

Avg. Moon phase: 63.79%

Bortle Dark-Sky Scale: 8.00

Temperature: 23.90


Astrometry.net job: 3376210

RA center: 20h 18' 37"

DEC center: +39° 24' 15"

Pixel scale: 3.454 arcsec/pixel

Orientation: -43.850 degrees

Field radius: 3.154 degrees


Resolution: 5479x3629

Locations: Backyard - Bortle 8, Nashville, TN, United States

Data source: Backyard

Description

I hypertuned my CG-5 mount, and was just going to test the guiding. It ended up being clear all night, so I aimed the ED80 at the Sadr region, and got this.

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Author

Jeffreyhorne
Jeffrey Horne
License: Attribution Creative Commons
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Sadr / Cygnus Butterfly / Gamma Cygni / Crescent w/ DSLR, 



    
        

            Jeffrey Horne