NGC 4361 (Gary Imm)

Celestial hemisphere: Southern · Constellation: Corvus (Crv) · Contains: NGC 4361

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NGC 4361

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NGC 4361

This object is a planetary nebula located almost 4000 light years away in the constellation of Corvus. Although its size is small at less than 2 minutes in diameter, it is large for a planetary nebula. This unusual planetary nebula resembles the shape of a small spiral galaxy more than that of a typical planetary nebula. The unique shape may be due to polar jets streaming from two closely spaced central stars rotating around each other, but scientists are not sure of the exact formation mechanism.

I see five distinct shapes in the planetary nebula - an outer bluish spherical shell, the distinctive denser bluish inner symmetric spiral structure, a purplish nonsymmetric section spanning vertically in the image, a whitish inner spherical structure, and the bright white central star.

Narrowband imaging
The refractors!
Cloudy Nights
ZWO ASI1600MM/QHY163M

All of My PN Images (264)
Griffiths PN Catalog (Complete)
Hidden Treasures Catalog (Complete*)
PN Ansae
PN Point Symmetric Jets

Please note: The following tables are updated every 24 hours.

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	2019150
PixInsight job	D2XDHFHBBGH2N2Q9MSBTRIAJH9J41MY6
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	12h24m30s.936
RA (top/left)	12h25m31s.803
RA (top/right)	12h23m49s.430
RA (bottom/right)	12h23m29s.992
RA (bottom/left)	12h25m12s.485

Dec (center)	-18°47′02″.37
Dec (top/left)	-18°44′17″.30
Dec (top/right)	-18°36′08″.15
Dec (bottom/right)	-18°49′46″.28
Dec (bottom/left)	-18°57′56″.11

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NGC 4361

NGC 4361

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NGC 4361

NGC 4361

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