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Ursa Major Moving Group

Ursa Major Moving Cluster,
Ursa Major Association, Collinder 285

Stellar association concentrated in Ursa Major

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Proper NamesUrsa Major Moving Group, Ursa Major Moving Cluster, Ursa Major Association
Messier NumberNone
NGC/IC NumberNone
Other DesignationsCollinder 285
ConstellationMultiple, but centred in Ursa Major
Right Ascension10h00 to 13h00 (densest region)
Declination+20° to +60° (densest region)
Distance82 light years
25 parsecs
(core region)
Number of Stars14 core stars and c. 50 other associated stars
Brightest StarMerak
Optimum VisibilityApril (usually visible from northern latitudes)
NotesStars associated with the Ursa Major Moving Group are to be found across the sky, especially northward of the Equator, though some are found as far south as Sculptor or Microscopium. The figures shown above refer to the more concentrated central regions of the moving group, with its heart in Ursa Major.

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