NGC2775 (lowenthalm)

Celestial hemisphere: Northern · Constellation: Cancer (Cnc) · Contains: NGC 2775 · PGC 1313852 · PGC 1313853

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NGC2775

Acquisition type: Lucky imaging

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NGC2775

Acquisition type: Lucky imaging

This is a rather unusual spiral galaxy that has a great deal of subtle structure across its face. It's a bit of a layer cake of a galaxy. Based on its redshift, it appears to be about 63 million light years away. The inner large core is roughly 15,000 light years across and looks like a small elliptical galaxy. It has mostly old stars and seems to have stopped forming new stars.

Surrounding the core is a ring of containing a dense network of brown to tan dust that mostly obscures the inner spiral structure around the core. Around the network of dust is much more open allowing the bluish disk of tightly wound spiral arms to be seen. The loose network of dust in this area of the galaxy produces the "flocculant" texture, similar to galaxies such as M63. Moving outward, there is yet another dense dusty ring and then another ring of bluish disk visible at the edge of the bright disk of the galaxy.

The bright disk of the galaxy is roughly 50,000 light years across. If you look carefully, you can see a large extended halo that doubles the size of the galaxy more than 90,000 light years across. All these structures point to interactions with other galaxies, and indeed there are faint tidal tails leading off to nearby galaxies that NGC2775 has been repeatedly interacting with.

The galaxy was fairly low in the sky below 40 degrees and toward the glow of Portland. I probably could of pulled some more contrast out if it had been in a darker region of my backyard sky (the North East is much better).

Each 9 minute image stacked for this image was a live stack of 135 x 4 second images.

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Galaxies - small and unusual

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The “AstroBin Image of the Day and Top Picks”, or IOTD/TP, is a long-running system to promote beautiful, interesting, peculiar, or otherwise amazing astrophotographs, with a focus on technical excellence. Learn more.

Submitted The date and time when you submitted this image for IOTD/TP consideration.	...
Views by Submitters (available since September 19th, 2023) Every image is assigned to 50% of available Submitters. In the event that at least 80% of them don't view the image before its time in the IOTD/TP process expires, it's assigned to the other 50% of Submitters and the process begins anew.
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Promotions by Reviewers When 3 distinct Reviewers promote the image, it moves on to the next stage of the process: evaluation for IOTD status.
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Status	Advanced success
Started	...
Astrometry.net job	5572673
PixInsight job	3DHNHKG04KP4MC0T3QI3CUXPLKYBV0A2
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	09h10m20s.292
RA (top/left)	09h10m56s.678
RA (top/right)	09h09m45s.465
RA (bottom/right)	09h09m43s.877
RA (bottom/left)	09h10m55s.103

Dec (center)	+07°01′59″.41
Dec (top/left)	+07°07′26″.63
Dec (top/right)	+07°08′05″.40
Dec (bottom/right)	+06°56′30″.21
Dec (bottom/left)	+06°55′53″.45

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NGC2775

NGC2775

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