Celestial hemisphere:  Northern  ·  Constellation: Canes Venatici (CVn)  ·  Contains:  M 106  ·  NGC 4217  ·  NGC 4220  ·  NGC 4226  ·  NGC 4231  ·  NGC 4232  ·  NGC 4248  ·  NGC 4258
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M106, George C. Lutch
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M106

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M106, George C. Lutch
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M106

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Messier 106 (also known as NGC 4258) is an intermediate spiral galaxy in the constellation Canes Venatici. It was discovered by Pierre Méchain in 1781. M106 is at a distance of about 22 to 25 million light-years away from Earth. M106 contains an active nucleus classified as a Type 2 Seyfert, and the presence of a central supermassive black hole has been demonstrated from radio-wavelength observations of the rotation of a disk of molecular gas orbiting within the inner light-year around the black hole.[8] NGC 4217 is a possible companion galaxy of Messier 106.[7] A Type II supernova was observed in M106 in May 2014.[9]

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M106, George C. Lutch