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Contains:  M 27, Dumbbell nebula, NGC 6853
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Dumbbell Nebula, M27 HaRGB, 





    
        

            1074j
Dumbbell Nebula, M27 HaRGB

Dumbbell Nebula, M27 HaRGB

Technical card

Resolution: 2412x2018

Dates:Aug. 12, 2017

Frames: 25x600"

Integration: 4.2 hours

Avg. Moon age: 19.46 days

Avg. Moon phase: 77.03%

Astrometry.net job: 1704516

RA center: 299.899 degrees

DEC center: 22.722 degrees

Pixel scale: 0.651 arcsec/pixel

Orientation: 268.853 degrees

Field radius: 0.285 degrees

Locations: Paradise, Chiricahua Mountains, AZ, United States

Description

The goal was to show some of the outer shell. I was going to blend the Ha channel with L but the L channel had some weird issue with oblong stars on the edge of the field so I didn't use it. I could have used big longer RGB exposures to bring out some of the colors in the outer shell. Ha 16x600m, RGB 10x150s 2x2 binned.

Comments

Author

1074j
1074j
License: Attribution-NonCommercial Creative Commons
2204
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Dumbbell Nebula, M27 HaRGB, 





    
        

            1074j