ARP 273 : The Cosmic Rose (kaeouach aziz)

Celestial hemisphere: Northern · Constellation: Andromeda (And)

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ARP 273 : The Cosmic Rose

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ARP 273 : The Cosmic Rose

This is a very special pair of galaxies that met a few hundred million years ago, producing a very recognizable shape: a (cosmic) rose.Arp 273 are two interacting spiral-shaped galaxies located about 300 million years ago -light from home in the direction of the Andromeda constellation. The larger of the two galaxies, known as UGC 1810, is almost five times as massive as its companion (UGC 1813). The arms of the great galaxy have been stretched by the effects of the gravitational tide caused by their crossing. Thus large tidal tails appear where compressed gases and dust form very hot stars.This galactic dance perpetuated on cosmic time scales ends, depending on the mass of the galaxies and their respective speeds and directions, with the fusion of the galaxies into one.Note that all the stars in the field are part of the Milky Way, while our two protagonists are far from where an angular dimension of only 1.5 ’for a magnitude 13!

AAA : Astronomes et Astrographes Amateurs

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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	6723298
PixInsight job	0DYXYXQKLUF4C95XLFDQ83RMBML9JOH9
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	02h21m32s.730
RA (top/left)	02h21m10s.690
RA (top/right)	02h20m44s.711
RA (bottom/right)	02h21m53s.947
RA (bottom/left)	02h22m19s.595

Dec (center)	+39°22′12″.95
Dec (top/left)	+39°33′32″.22
Dec (top/right)	+39°14′19″.36
Dec (bottom/right)	+39°10′53″.56
Dec (bottom/left)	+39°30′05″.34

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ARP 273 : The Cosmic Rose

ARP 273 : The Cosmic Rose

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ARP 273 : The Cosmic Rose

ARP 273 : The Cosmic Rose

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