M82, The Cigar Galaxy (Richard Francis)

Celestial hemisphere: Northern · Constellation: Ursa Major (UMa) · Contains: Bode's nebulae · Cigar galaxy · M 82 · NGC 3034

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M82, The Cigar Galaxy

Link: https://www.gerspatial.com/fullscreen-page/comp-jfs6j7jp/c97f69be-3bec-11e8-a9ff-063f49e9a7e4/0/%3Fi%3D0%26p%3Dly93d%26s%3Dstyle-jg0tm9zp

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M82, The Cigar Galaxy

Link: https://www.gerspatial.com/fullscreen-page/comp-jfs6j7jp/c97f69be-3bec-11e8-a9ff-063f49e9a7e4/0/%3Fi%3D0%26p%3Dly93d%26s%3Dstyle-jg0tm9zp

M82 is a so-called starburst galaxy, about 12 million light-years away. The high rate of star production, about 10 times that of other galaxies, has apparently been triggered by gravitational (tidal) interactions with the nearby M81. At least one of these events is thought to have caused a flood of gas into the galaxy's core, resulting in many "super star clusters", of which almost 200 have been observed (with the Hubble Space Telescope) in M82. There are many supernovae amongst these new stars (about 1 every 10 years) and these are causing the "superwind" of energised hydrogen which is flowing out from each side (red in the image).

This image was taken in Feb 2018 at Le Bourdieu observatory. Like much of Europe we had a cloudy winter but there was time for this and the nearby M81 as well.

Acquisition details:

Total exposure: 11.5 hours from 13 - 26 Feb 2018

Filters:

Red: 11x 600 sec

Green: 12x 600 sec

Blue: 11x 600 sec

Luminance: 8x 600 sec

H-alpha: 19x 900 sec

Please note: The following tables are updated every 24 hours.

Distribution of astrophotographers

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	Distinct awarded users	Total awarded images
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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
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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
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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	2041639
PixInsight job	YIR7OT902IP1L1ZM094PMZK6DTT9IN3L
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	09h55m54s.542
RA (top/left)	09h53m36s.742
RA (top/right)	09h53m45s.754
RA (bottom/right)	09h58m08s.997
RA (bottom/left)	09h58m06s.585

Dec (center)	+69°40′54″.50
Dec (top/left)	+69°56′13″.40
Dec (top/right)	+69°25′07″.58
Dec (bottom/right)	+69°25′28″.82
Dec (bottom/left)	+69°56′35″.72

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M82, The Cigar Galaxy

M82, The Cigar Galaxy

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Image Index:

Contribution Index (beta):

M82, The Cigar Galaxy

M82, The Cigar Galaxy

Equipment

Acquisition details

Description

Comments

Sky plot

Histogram

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