Arp 188 (Gary Imm)

Celestial hemisphere: Northern · Constellation: Draco (Dra)

Arp 188

This object, also known as the Tadpole Galaxy and UGC 10214, is a barred spiral deformed galaxy located 430 million light years away in the constellation of Draco. The apparent size to us of the main spiral is less than 1 arc-minute. This corresponds to about 100,000 light years, which is similar to the diameter of our Milky Way galaxy. The "tail" extends for 2.3 more arc-minutes, equivalent to almost 300,000 light years. The galaxy appears almost edge-on to us, at an inclination of about 70 degrees.

The deformed galaxy arms and long tail are due to an interaction with a small galaxy. That small galaxy is visible in the image as the small blue core in the right section of the main galaxy disk.

Numerous bright blue star clusters are visible in the tail. The brightest blue region in the center of the tail is a super star cluster (SSC), with a mass of 1,300,000 solar masses. Scientists have determined that these SSC stars are "only" about 5 million years old, much younger than the estimated age of the tail itself (150 million years).

Many other small galaxies are visible in the image background.

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Description: Comparison to Arp and Hubble Images

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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
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Extremely wide field
Star trails
Northern lights
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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
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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	6065941
PixInsight job	ZJ4LCY9WCVTDOL6MEHLFHGWRZ5F9KTS6
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	16h06m03s.852
RA (top/left)	16h06m53s.112
RA (top/right)	16h05m13s.601
RA (bottom/right)	16h05m14s.860
RA (bottom/left)	16h06m53s.816

Dec (center)	+55°25′31″.40
Dec (top/left)	+55°31′21″.15
Dec (top/right)	+55°31′10″.80
Dec (bottom/right)	+55°19′40″.53
Dec (bottom/left)	+55°19′50″.77

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Arp 188

Arp 188

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Arp 188

Arp 188

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