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GlennLeDrew
Pooh-Bah
   
Reged: 06/18/08
Posts: 1296
Loc: Ottawa, Ontario, Canada
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Re: Binocular Icon 25 : Messier 39 and company.
07/07/08 09:37 PM
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I've read that M39 is of about the same age as the Ursa Major cluster (the latter lying at ~70 l-y from us) and also shares its space motion. If true, this makes for a very widely separated "double cluster", reminiscent of the situation for the Hyades and M44.
-------------------- Home-made 11X50 right angle bino, 8.1 deg. FOV
Modified 26X100 bino, 3.5 deg. FOV
Home-made Mk II RA bino, using interchangeable objectives and eyepieces
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