M83 the Southern Pinwheel Galaxy (Reggie)

Celestial hemisphere: Southern · Constellation: Hydra (Hya) · Contains: HD118268 · HD118333 · HD118463 · M 83 · NGC 5236 · Southern Pinwheel Galaxy

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M83 the Southern Pinwheel Galaxy

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M83 the Southern Pinwheel Galaxy

M83 lies 15 million light years away, and its true diameter is over 100,000 light years. M 83's absolute magnitude is -21.6, a luminosity of 36 billion suns. It is receding at 337 km/sec. M83 is at the center of one of two subgroups within the Centaurus Group of galaxies. These two groups are sometimes identified as one, as they are physically close to each other, and share a common motion. M83 is part of the northern Centaurus Galaxy Group, along with NGC 4945, NGC 5102, NGC 5253, and NGC 5068 in Virgo. NGC 5128 (Centaurus A) marks the center of the southern group. This is an LRGB image. Imaged from my backyard. iOptron CEM70, Sharpstar SCA260, ASI2600MM, Antlia LRGB filters. Bortle 7 Stacked in Astro Pixel Processor and processed in Pixinsight.

Cloudy Nights
Southern Hemisphere Astro

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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	7412193
PixInsight job	ZREQQDMO9J35J7SAWAZVNWT8GNYYXDNX
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	13h36m58s.350
RA (top/left)	13h37m56s.754
RA (top/right)	13h37m57s.549
RA (bottom/right)	13h35m59s.999
RA (bottom/left)	13h35m58s.248

Dec (center)	-29°52′33″.70
Dec (top/left)	-30°10′00″.31
Dec (top/right)	-29°35′16″.85
Dec (bottom/right)	-29°35′06″.52
Dec (bottom/left)	-30°09′49″.42

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M83 the Southern Pinwheel Galaxy

M83 the Southern Pinwheel Galaxy

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Image Index:

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M83 the Southern Pinwheel Galaxy

M83 the Southern Pinwheel Galaxy

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