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Contains:  M 1, Crab nebula, NGC 1952
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M1 (Crab Nebula) Mono, 





    
        

            Joel Shepherd
M1 (Crab Nebula) Mono

M1 (Crab Nebula) Mono

Technical card

Resolution: 1600x1347

Dates:Nov. 20, 2015

Frames: 16x300"

Integration: 1.3 hours

Avg. Moon age: 8.69 days

Avg. Moon phase: 63.77%

Astrometry.net job: 868459

RA center: 5h 34' 32"

DEC center: +22° 1' 15"

Pixel scale: 0.741 arcsec/pixel

Orientation: 111.997 degrees

Field radius: 0.215

Locations: Home, Seattle, WA, United States

Description

Not my best effort -- felt hurried that night and guiding didn't go well -- but what the heck. M1 is an interesting object, the remnants of a supernova observed by Chinese astronomers in 1054: less than a thousand years ago. Expanding at a rate of 1500 km/s, M1's apparent magnitude has faded to the degree that Messier himself would struggle to find it with his contemporary gear searching the sky today.

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Author

JoelShepherd
Joel Shepherd
License: Attribution Creative Commons
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M1 (Crab Nebula) Mono, 





    
        

            Joel Shepherd