NGC3521 (Andy Elliott)

Celestial hemisphere: Southern · Constellation: Leo (Leo) · Contains: HD96363 · NGC 3521 · PGC 1132240 · PGC 1132479 · PGC 1133003 · PGC 1133174 · PGC 1133514 · PGC 1133798 · PGC 1133863 · PGC 1134710 · PGC 1135270 · PGC 1135353 · PGC 1136809 · PGC 1136905 · PGC 1137384 · PGC 1138401 · PGC 1139828 · PGC 1140455 · PGC 1140630 · PGC 1140696 · PGC 1140929 · PGC 1141325 · PGC 1141385 · PGC 1141484 · PGC 1141502 · PGC 1142733 · PGC 1143306 · PGC 1143972 · PGC 1146703 · PGC 1146993 · And 60 more.

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NGC3521

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NGC3521

I think this must rate as one of my favourite galaxies.It’s the gorgeous spiral galaxy NGC 3521 found in the constellation Leo. NGC3521 is a Flocculent Galaxy with the characteristic patchy, irregular spiral arms laced with dust, pink star forming regions, and clusters of young, blue stars. The remarkable thing about this galaxy is that it is embedded in gigantic bubble-like shells. The shells are likely tidal debris, streams of stars torn from satellite galaxies that have undergone mergers with NGC 3521 in the distant past, giving NGC3521 its alternative name as the ‘Bubble Galaxy’My image does not really do this target justice, but I tried several sessions and over 9 hours of integration to try and bring out the surrounding ‘shell’. Hope you like it, and if you are not familiar with this object, I would urge you to go and look it up. There are some amazing images out there!

UK Astro-Imaging
Imaged with APT
The refractors!

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Distribution of astrophotographers

This table shows the number of distinct astrophotographers who have been assigned and IOTD/TP award compared to the total number of images awarded.
	Distinct awarded users	Total awarded images
Image of the day
Top picks
Top pick nominations

Distribution of subject types

This table shows the distribution of awards per subject type, compared to the popularity of images of that subject type.
	Image of the day	Top pick	Top pick nominations	Total submitted
Deep sky
Solar system
Extremely wide field
Star trails
Northern lights
Noctilucent clouds
Landscape

Distribution of data sources

This table shows the distribution of awards per data source, compared to the popularity of images acquired from that data source.
	Image of the day	Top pick	Top pick nominations	Total submitted
Backyard
Traveller
Own remote observatory
Amateur hosting facility
Public amaeteur data
Professional, scientific grade data
Mix of multiple sources
Other
Unknown

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.
Promotions by Submitters When 3 distinct Submitters promote the image, it moves on to the next stage of the process: evaluation for Top Pick status. This requirement, in addition to anonymization of images and distribution to only a subset of them, prevents biases and ensures that the best images are selected.
Promotions by Reviewers When 3 distinct Reviewers promote the image, it moves on to the next stage of the process: evaluation for IOTD status.
Early dismissal Staff members have a lot of images to inspect on a daily basis, and they can dismiss images if they believe they don't meet the requirements for IOTD/TP selection. If an image is dismissed 5 times, it's removed from the process. This streamlines the process and ensures that any bias present in promotions could be overruled by other staff members.

Status	Advanced success
Started	...
Astrometry.net job	5756607
PixInsight job	GLXQ02SL0XVYFTXGNI3ITDOUY3KTXRKX
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	11h06m08s.73
RA (top/left)	11h04m14s.19
RA (top/right)	11h04m12s.87
RA (bottom/right)	11h08m02s.76
RA (bottom/left)	11h08m04s.68

Dec (center)	-00°13′23″.3
Dec (top/left)	+00°30′08″.7
Dec (top/right)	-00°56′30″.8
Dec (bottom/right)	-00°56′46″.8
Dec (bottom/left)	+00°29′51″.8

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NGC3521

NGC3521

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NGC3521

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