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Contains:  M 39, NGC 7092
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M39 Mono, 


            Joel Shepherd
M39 Mono
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M39 Mono

Technical card

Dates:Aug. 22, 2015

Frames: 30x15"

Integration: 0.1 hours

Avg. Moon age: 7.11 days

Avg. Moon phase: 47.05%

Basic astrometry details job: 764089

RA center: 21h 31' 51"

DEC center: +48° 22' 1"

Pixel scale: 2.139 arcsec/pixel

Orientation: 121.389 degrees

Field radius: 0.605 degrees

Resolution: 1600x1259

Locations: Home, Seattle, WA, United States


Messier 39, against the backdrop of the Milky Way. Not particularly interesting visually under light-polluted skies, it really pops in its natural setting. Refraction spikes are "real", not simulated.



Joel Shepherd
License: Attribution Creative Commons

Sky plot

Sky plot


M39 Mono, 


            Joel Shepherd