Gallery » M39 Open Cluster

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An open cluster in the Cygnus constellation with an apparent size larger than the moon, making it visible with binoculars.
Telescope:   Stellina
Length:   400mm
Aperture:   80mm
F-stop:   f/5.0
Sessions:   1
Captured:   2021-10-08
Lights:   52
Exposure:   10
Total exposure:   8 m
Ra:   21h 32m 23.4s
Dec:   +48° 29' 52.929
Size:   58.238 x 41.134 arcmin
Radius:   0.594 deg
Scale:   0.687 arcsec/pixel