IC 1551 (Gary Imm)

Celestial hemisphere: Northern · Constellation: Pisces (Psc) · Contains: IC 1551

IC 1551

This Astrobin Debut Object is a pair of merging galaxies located 0.6 billion light years away in the constellation of Pisces at a declination of +9 degrees. The main bright portion of this object spans 30 arc-seconds in our apparent view, which corresponds to a diameter of 80,0000 light years. The total length of the object, including the beautiful star stream tails, is 500,000 light years.

Although the central bright portion of this object is only slightly larger than the current size of Venus, it still contains a lot of detail. The 2 former galaxy cores are clearly seen, along with dust lanes and a bright blue star cloud. The star cloud appears to have multiple bright areas.

It is difficult to see, but the bottom star stream bends upward faintly, making the total lengths of these arms even longer.

I am surprised that this interesting object has attracted so little attention. Dr. Arp did not include it in his peculiar galaxy catalog and the Hubble has not imaged it yet.

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Schmidt-Cassegrain Telescope (SCT) Imagers
Unique or Unusal Deep Sky Targets
ZWO ASI294MM Pro Images
CMOS Imagers
Cloudy Nights
First on Astrobin
Rarely Imaged Small DSOs
Texas Astronomy
Images from the EdgeHD Series

Antennae-type Galaxies
Astrobin Debuts (670 DSOs)
Dual Tails of Galaxies
Integral Sign Galaxy Shape
M4 (1 Core with Tails) Galaxy Merger

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	5127353
PixInsight job	Y40XGJDVLIL1ZJQZH6EOZ32CQAWLAZB2
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	00h27m35s.462
RA (top/left)	00h28m13s.824
RA (top/right)	00h26m58s.379
RA (bottom/right)	00h26m57s.119
RA (bottom/left)	00h28m12s.530

Dec (center)	+08°52′39″.42
Dec (top/left)	+08°59′23″.37
Dec (top/right)	+08°59′48″.68
Dec (bottom/right)	+08°45′55″.12
Dec (bottom/left)	+08°45′30″.50

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IC 1551

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