M81 & M82 (Darius Kopriva)

Celestial hemisphere: Northern · Constellation: Ursa Major (UMa) · Contains: Bode's Galaxy · Cigar Galaxy · HD85458 · M 81 · M 82 · NGC 3031 · NGC 3034

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M81 & M82

Link: https://dako-astrophotography.com/Image/htsapc

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M81 & M82

Link: https://dako-astrophotography.com/Image/htsapc

Messier 81 and Messier 82 are two nearby galaxies located in the constellation Ursa Major, which are often observed and studied by astronomers.

Messier 81, also known as Bode's Galaxy, is a grand design spiral galaxy approximately 11.8 million light years away from Earth. It has a diameter of about 90,000 light years, making it slightly smaller than our Milky Way galaxy. Messier 81 is one of the brightest galaxies in the night sky and can be seen with binoculars or a small telescope. It is home to several star-forming regions and is thought to have a supermassive black hole at its center.

Messier 82, also known as the Cigar Galaxy, is a starburst galaxy located about 12 million light years away from Earth. It has a highly disturbed shape, with a bright central region and a long, thin, cigar-like appearance. Messier 82 is actively forming new stars at a very high rate, resulting in a lot of dust and gas being ejected from the galaxy. It is also home to a supermassive black hole at its center and is believed to be interacting with its neighboring galaxy, Messier 81.

Both Messier 81 and Messier 82 are popular targets for astronomers due to their close proximity to Earth and their unique characteristics. They have been extensively studied in various wavelengths of light, including radio, infrared, and X-ray, which have provided insights into their structure, evolution, and dynamics.

Southern Hemisphere Astro

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	8592575
PixInsight job	MW9RZHOO46FE05Y88BVJWJ8LG6CICL2Q
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	09h55m36s.364
RA (top/left)	10h00m01s.537
RA (top/right)	10h00m17s.337
RA (bottom/right)	09h50m56s.460
RA (bottom/left)	09h51m11s.170

Dec (center)	+69°14′11″.23
Dec (top/left)	+68°37′19″.44
Dec (top/right)	+69°50′37″.52
Dec (bottom/right)	+69°50′36″.15
Dec (bottom/left)	+68°37′19″.79

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M81 & M82

M81 & M82

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Image Index:

Contribution Index (beta):

M81 & M82

M81 & M82

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