M81 Bode's Galaxy (Richard Francis)

Celestial hemisphere: Northern · Constellation: Ursa Major (UMa) · Contains: Bode's galaxy · Bode's nebulae · M 81 · NGC 3031

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M81 Bode's Galaxy

Link: https://www.gerspatial.com/fullscreen-page/comp-jfs6j7jp/c9806885-3bec-11e8-a9ff-063f49e9a7e4/7/%3Fi%3D7%26p%3Dly93d%26s%3Dstyle-jg0tm9zp

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M81 Bode's Galaxy

Link: https://www.gerspatial.com/fullscreen-page/comp-jfs6j7jp/c9806885-3bec-11e8-a9ff-063f49e9a7e4/7/%3Fi%3D7%26p%3Dly93d%26s%3Dstyle-jg0tm9zp

M81, although appearing in Messier's catalogue, was not discovered by him, but by Johann Bode on New Year's Eve, 1774. He also discovered M82 at the same time. Like M82 it is about 12 million light-years away. Like most galaxies (including our own), it harbours a super-massive black hole at its centre, and in this case it is estimated to be the equivalent of 70 million times the mass of our sun, all compressed into a single, infinitesimally small point.

This image was taken in March 2018, just after i had completed acquisition of data for M82. These two galaxies are very close in the sky, but too far from my currect camera to capture both in a single frame.

Acquisition details:

Total exposure: 11.8 hours, 11 - 23 Mar 2018

Filters:

Red: 22x 600 sec

Green: 18x 600 sec

Blue: 16x 600 sec

Luminance: 15x 600 sec

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
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Star trails
Northern lights
Noctilucent clouds
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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	2041717
PixInsight job	8JZZEHG2TEYV965F56SOBZN4135HWWD4
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	09h55m32s.862
RA (top/left)	09h57m38s.726
RA (top/right)	09h57m46s.496
RA (bottom/right)	09h53m23s.952
RA (bottom/left)	09h53m22s.313

Dec (center)	+69°04′04″.78
Dec (top/left)	+68°48′26″.49
Dec (top/right)	+69°19′17″.59
Dec (bottom/right)	+69°19′37″.80
Dec (bottom/left)	+68°48′45″.53

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M81 Bode's Galaxy

M81 Bode's Galaxy

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M81 Bode's Galaxy

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