Splinter Galaxy - NGC 5907 (Massimo Di Fusco)

Celestial hemisphere: Northern · Constellation: Draco (Dra) · Contains: NGC 5906 · NGC 5907

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Splinter Galaxy - NGC 5907

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Splinter Galaxy - NGC 5907

NGC 5907 (also known as Knife Edge Galaxy or Splinter Galaxy) is a spiral galaxy located approximately 50 million light years from Earth. William Herschel discovered the galaxy in 1788.
NGC 5907 has an anomalously low metallicity and few detectable giant stars, being apparently composed almost entirely of dwarf stars. It is a member of the NGC 5866 Group.
NGC 5907 has long been considered a prototypical example of a warped spiral in relative isolation. In 2006, an international team of astronomers announced the presence of an extended tidal stream surrounding the galaxy that challenges this picture and suggests the gravitational perturbations induced by the stream progenitor may be the cause for the warp. The existence of part of these tidal streams has been recently challenged by some deeper surveys.

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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	9120961
PixInsight job	PRW01SZ4BLDGJYXEKXCGW8EC3QGLDCXZ
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	15h15m19s.138
RA (top/left)	15h13m21s.941
RA (top/right)	15h13m23s.975
RA (bottom/right)	15h17m14s.244
RA (bottom/left)	15h17m17s.118

Dec (center)	+56°12′42″.23
Dec (top/left)	+56°34′19″.94
Dec (top/right)	+55°51′04″.49
Dec (bottom/right)	+55°51′00″.50
Dec (bottom/left)	+56°34′18″.49

Image Index:

Contribution Index (beta):

Splinter Galaxy - NGC 5907

Splinter Galaxy - NGC 5907

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Image Index:

Contribution Index (beta):

Splinter Galaxy - NGC 5907

Splinter Galaxy - NGC 5907

Equipment

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Description

Comments

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