Supernova SN2021j in NGC4414 (Wim Bijl)

Celestial hemisphere: Northern · Constellation: Coma Berenices (Com) · Contains: NGC 4414 · PGC 1922982 · PGC 1925340 · PGC 1925438 · PGC 1926107 · PGC 1926278 · PGC 1927205 · PGC 1927301 · PGC 1927443 · PGC 1928404 · PGC 1928423 · PGC 1928544 · PGC 1928608 · PGC 1928728 · PGC 1929089 · PGC 1929215 · PGC 1930064 · PGC 1930289 · PGC 1930652 · PGC 1931175 · PGC 1931375 · PGC 1932065 · PGC 1935358 · PGC 1936178 · PGC 1937546 · PGC 1938393 · PGC 1939159 · PGC 1939607 · PGC 1939786 · PGC 1940143 · And 27 more.

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Supernova SN2021j in NGC4414

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Supernova SN2021j in NGC4414

In my quest for Supernova hunting I made this image of NGC4414, unfortunately is the Supernova not so bright anymore and incoming clouds ended my session to soon. The Supernova is the tiny blob in the upperleft of the nucleus. Only visible in the highest resolution. Also are there very very much background galaxys visible! On my Ipad I can not see the advanced plate solve 😢.

NGC 4414 appears roughly 1.9 x 1.1 arcminutes in size, corresponding to a physical diameter of 30803 light years. It is 54 million light years from our solar system.

Supernova Imagers (no remnants pls😉)

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Distribution of astrophotographers

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	Distinct awarded users	Total awarded images
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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
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Star trails
Northern lights
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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
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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	4480964
PixInsight job	XZO78CD4PRGWEBHDD4JICTVOC90ZI29E
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	12h26m34s.780
RA (top/left)	12h25m41s.297
RA (top/right)	12h28m05s.665
RA (bottom/right)	12h27m27s.173
RA (bottom/left)	12h25m02s.172

Dec (center)	+31°12′46″.25
Dec (top/left)	+30°53′08″.82
Dec (top/right)	+31°01′25″.13
Dec (bottom/right)	+31°32′22″.18
Dec (bottom/left)	+31°24′02″.84

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Supernova SN2021j in NGC4414

Supernova SN2021j in NGC4414

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Supernova SN2021j in NGC4414

Supernova SN2021j in NGC4414

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