M106, the host of a monster (Bea Budai & Zsolt Paragi)

Celestial hemisphere: Northern · Constellation: Canes Venatici (CVn) · Contains: M 106 · NGC 4217 · NGC 4220 · NGC 4258

M106, the host of a monster, Bea Budai & Zsolt Paragi

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M106, the host of a monster

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M106, the host of a monster

All our friends were doing the Messier marathon during the weekend of 2-3 April 2022. But having a moonless night with clear skies in the Netherlands is very rare, so we just picked one of the Messier objects as the target for deep imaging: M106.

Astronomers who do not gaze at the sky with small telescopes for fun, better know this galaxy as NGC 4258. It is quite famous for its active galactic nucleus (AGN). AGNs are powered by supermassive black holes, and although this one's activity is quite low, we might rightly call it the Mother of all Black Holes for its significance in our understanding of galaxies, black holes, and the Universe. The mass and distance of this black hole have been very accurately measured and it helped our understanding of black hole activity (from stellar to supermassive ones) and galaxy evolution in general, and it pinned down the cosmological distance scale in particular. Not bad for a black hole with only a mere 10^7 solar masses (there are much bigger ones!), in our cosmological neighborhood at a distance of 7.5 megaparsecs.

Gothard Group (Magyarok/Hungarians)
ASI533MC Pro
CMOS Imagers
Fine Art Astrophotography
ZWO ASIAIR PRO USERS

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Status	Basic success
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Astrometry.net job	5790378
PixInsight job	n/a
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M106, the host of a monster

M106, the host of a monster

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M106, the host of a monster

M106, the host of a monster

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