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adam stuart | all galleries >> Galleries >> open_star_clusters > M39 master.jpg
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11-23-03 Adam Stuart

M39 master.jpg

Miami, FL

Open Cluster M39 is a very large but very loose open cluster, situated some 9 degrees east and a bit north of Deneb (Alpha Cygni). Its distance is 800 light years, and it is between 230 and 300 million years old. 30 stars are proven members and contained in a volume of about 7 light years diameter. M39 is approaching us at 28 km/s.

Starlight Xpress HX916
Takahashi FS 60-C piggybacked on LX200. 40 x 120 second integrations binned 2x2 with Astronomik IR filter. Dark-subtracted and artificial flat fielded. Acquired in AA 2.0, processed in AIP4WIN and AA 2.0. full exif

other sizes: small medium original auto
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Guest 02-Oct-2007 01:30
Very Nice Shot V
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