Spiral Galaxy 'NGC 3184' (David Smyth)

Celestial hemisphere: Northern · Constellation: Ursa Major (UMa) · Contains: 33 UMa) · 33 lam UMa · 34 UMa) · 34 mu. UMa · HD88785 · HD88909 · HD88959 · HD89053 · HD89221 · HD89468 · HD89572 · HD89744 · NGC 3179 · NGC 3181 · NGC 3184 · NGC 3202 · NGC 3205 · NGC 3207 · Part of the constellation Ursa Major (UMa) · Tania Australis · Tania Borealis · The star Tania Australis (μ UMa · The star Tania Borealis (λ UMa

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Spiral Galaxy 'NGC 3184'

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Spiral Galaxy 'NGC 3184'

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NGC 3184, the Little Pinwheel Galaxy, is a spiral galaxy approximately 40 million light-years away in the constellation Ursa Major. Its name comes from its resemblance to the Pinwheel Galaxy. It has two HII regions named NGC 3180 and NGC 3181. NGC 3184 houses a high abundance of heavy elements and SN 1999gi, a magnitude 14 Type II supernova detected on December 9th, 1999. Other supernovae in NGC 3184 include 1921B (mag 13.5), 1921C (mag 11) and 1937F (mag 13.5). The blue color of its spiral arms comes mostly from relatively few bright young blue stars. The bright stars that highlight the arms were created in huge density waves that circle the center.

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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	9477517
PixInsight job	WCJK557R4FSDST1XTDR0WC1EXFV5KXGN
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	10h19m35s.38
RA (top/left)	10h24m14s.10
RA (top/right)	10h24m02s.34
RA (bottom/right)	10h14m46s.18
RA (bottom/left)	10h15m18s.100

Dec (center)	+42°11′00″.5
Dec (top/left)	+40°56′15″.2
Dec (top/right)	+43°27′46″.5
Dec (bottom/right)	+43°25′17″.10
Dec (bottom/left)	+40°53′37″.1

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Spiral Galaxy 'NGC 3184'

Spiral Galaxy 'NGC 3184'

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Spiral Galaxy 'NGC 3184'

Spiral Galaxy 'NGC 3184'

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