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| Designations | M109 Group | | Constellation | Ursa Major | | Right Ascension | Centred around 11h 55m 0s | | Declination | Centred around +51° 20' 0" | | Distance | c. 55,000,000 light years
c. 16,800,000 parsecs | | Dimensions | Apparent: c. 10.1° x 8.8°
Actual: c. 9,700,000 x 8,500,000 light years | | Members | At least forty galaxies, and perhaps sixty or more, including M109, NGC 3953, NGC 3718 | | Optimum Visibility | April (usually visible from northern latitudes) |
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