NGC 1540 (Gary Imm)

Celestial hemisphere: Southern · Constellation: Eridanus (Eri) · Contains: NGC 1540

NGC 1540

This Astrobin Debut Object is a distant interacting galaxy triplet located 250 million light years away in the constellation of Eridanus at a declination of -28 degrees. The object spans 1.1 arc-minutes in our apparent view. This corresponds to a length of 90,000 light years.

The 3 galaxy cores are the largest white regions in the object, connected by a stream of stars. I like the shades of blue and purple throughout the object, reflective of the intense star formation occurring here initiated by the gravitational interaction.

I have included this object in my Galaxy Merger Stage C Collection, which now includes 30 galaxy objects in the mid stage of a merger, with their disks touching, their cores in close contact, and significant star streams present.

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C

C

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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	5501864
PixInsight job	LKBIJDB0992LHFDACMJVU7LOP3JSW349
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	04h15m10s.210
RA (top/left)	04h15m57s.905
RA (top/right)	04h14m20s.672
RA (bottom/right)	04h14m22s.890
RA (bottom/left)	04h15m59s.999

Dec (center)	-28°28′55″.18
Dec (top/left)	-28°21′38″.17
Dec (top/right)	-28°22′10″.69
Dec (bottom/right)	-28°36′10″.40
Dec (bottom/left)	-28°35′37″.77

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NGC 1540

NGC 1540

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NGC 1540

NGC 1540

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