The M81 Group is a galaxy group in the constellations Ursa Major and Camelopardalis that includes the galaxies Messier 81 and Messier 82, as well as several other galaxies with high apparent brightnesses. The approximate center of the group is located at a distance of 3.6 Mpc, making it one of the nearest groups to the Local Group. The group is estimated to have a total mass of (1.03 ± 0.17)×1012M☉.
The M81 Group, the Local Group, and other nearby groups all lie within the Virgo Supercluster (i.e. the Local Supercluster).

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    Symphony M81 (MTK-6250) Info : FARSIGHTED50_6464_11B_PCB01_GPRS_MT6250_S00.SYMPHO NY_M81_SOFTWARE_V1_2_20130419.BIN Project ID : SYMPHONY_M81_SOFTWARE_V1_2_20130419 CPU_Type = MT625A FLASH_ID = 0x00C8006000170000 FLASH_Name = SF_GD25LQ64 Flash_Size =...
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