NGC4698 in Virgo (Mau_Bard)

NGC4698 in Virgo

I recorded this data during the night of 18 March 2023. The external halo is visible on this picture, nevertheless I hoped to better capture its external faint ring that is instead hardly recognizable on a very close inspection on the left side of the galaxy. I expected as well a bit more detail out of the galactic dust lanes. Work for the future.

NGC 4698

NGC 4698 is a barred spiral galaxy located around 55 Mly (16.8 Mpc) away from Earth in the constellation of Virgo. The morphological classification of NGC 4698 is SA(s)ab, a nearly pure spiral structure.

A unique feature of this galaxy is that the stars and dust of the nuclear disk are rotating in a direction that is aligned perpendicularly to the galactic disk. The bulge likewise appears elongated out of the galactic plane. This unusual alignment may have been the result of a past merger event.

NGC 4698 is classified as a Seyfert-2 galaxy with an active galactic nucleus, which displays a prominent emission of radio and X-ray energy from the core while showing narrow emission lines in the optical spectrum. The unified model of Seyfert galaxies proposes that the nucleus of a Seyfert 2 galaxy is obscured by a thick torus of gas and dust. However, the varying X-ray emission of the core of NGC 4698 shows little indication of being obstructed, suggesting instead that the source of the energy emission is generally unobscured but anemic in nature.

It is also known as PGC 43254, UGC 7970, VCC 2070.

(Object description excerpted from Wikipedia)

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Broadband under Bortle 7/8/9
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Status	Advanced success
Started	...
Astrometry.net job	7442496
PixInsight job	L8WJPXJEGFZ373BES5ITPAM6T6FLXFDR
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	12h48m23s.541
RA (top/left)	12h50m09s.435
RA (top/right)	12h48m20s.486
RA (bottom/right)	12h46m37s.596
RA (bottom/left)	12h48m26s.563

Dec (center)	+08°29′17″.30
Dec (top/left)	+08°27′51″.22
Dec (top/right)	+08°55′30″.68
Dec (bottom/right)	+08°30′41″.47
Dec (bottom/left)	+08°03′04″.74

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NGC4698 in Virgo

NGC4698 in Virgo

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NGC4698 in Virgo

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