Celestial hemisphere:  Northern  ·  Constellation: Canes Venatici (CVn)  ·  Contains:  M 106  ·  NGC 4248  ·  NGC 4258
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M106  NGC4258, Albert  Christensen

M106 NGC4258

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M106  NGC4258, Albert  Christensen

M106 NGC4258

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Description

Messier 106 (also known as NGC 4258 is an intermediate spiral galaxy in the constellation Canes Venatici.  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. NGC 4217 is a possible companion galaxy of Messier 106.  A Type II supernova was observed in M106 in May 2014.

It is one of the largest and brightest nearby galaxies, similar in size and luminosity to the Andromeda Galaxy. The supermassive black hole at the core has a mass of (3.9±0.1)×107 M☉.  (Wikipedia)

Data taken in two short Spring nights with clear skies.  Trying to get motivated to take more data but being fond of sleep and fundamentally lazy, am finding it difficult.

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M106  NGC4258, Albert  Christensen