A Few Galaxies in Bootes (Elvie1)

Celestial hemisphere: Northern · Constellation: Boötes (Boo) · Contains: NGC 5527 · NGC 5529 · NGC 5544 · NGC 5545 · NGC 5557

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A Few Galaxies in Bootes

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A Few Galaxies in Bootes

NGC5557 - Giant Elliptical Galaxy - approximately 130M LY distant, about 63K LY in across (60% size of Milky Way)

ARP199 (centre top) - a pair of interacting galaxies about 153 M LY distant - lenticular NGC5545 (the arrow), barred spiral NGC5544 (the bullseye),

NGC5529 (bottom right) - edge on intermediate spiral galaxy - about 144M LY distant and 240K LY across (over twice the size of Milky Way)

There are a few other galactic squiggles in the image if you pixel peep a bit.

I had originally intended to capture a few more hours of data - particularly luminance - to show more detail around the elliptical, however this was rudely interrupted by the discovery of SN2023ixf in M101. The object's RA is now passing from my view of the sky towards the west so according to the proverbial wisdom ‘you go with what you got’.

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	7969741
PixInsight job	IY1TNNP3EJMOO0OJPHG8JYKNGYUDSD2Y
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	14h16m56s.710
RA (top/left)	14h19m24s.873
RA (top/right)	14h14m23s.154
RA (bottom/right)	14h14m28s.626
RA (bottom/left)	14h19m27s.369

Dec (center)	+36°24′50″.96
Dec (top/left)	+36°44′32″.19
Dec (top/right)	+36°43′12″.49
Dec (bottom/right)	+36°04′58″.86
Dec (bottom/left)	+36°06′12″.36

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A Few Galaxies in Bootes

A Few Galaxies in Bootes

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Image Index:

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A Few Galaxies in Bootes

A Few Galaxies in Bootes

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