M101 - Pinwheel Galaxy (Jeff Kisslinger)

Celestial hemisphere: Northern · Constellation: Ursa Major (UMa) · Contains: M 101 · NGC 5447 · NGC 5449 · NGC 5450 · NGC 5451 · NGC 5453 · NGC 5455 · NGC 5457 · NGC 5461 · NGC 5462 · NGC 5471 · NGC 5477 · Pinwheel galaxy

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M101 - Pinwheel Galaxy

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M101 - Pinwheel Galaxy

M101, otherwise known as the pinwheel galaxy, is approximately 170,000 light-years across — nearly twice the diameter of the Milky Way. M101 is estimated to contain at least one trillion stars. The galaxy’s spiral arms are sprinkled with large regions of star-forming nebulas.

Pierre Méchain, one of Charles Messier’s colleagues, discovered the Pinwheel galaxy in 1781. Located 25 million light-years away from Earth in the constellation Ursa Major.

Original
Final
B

B

Description: I was watching one of Adam Block's videos on the Pixinsight process Exponential Transformation and thought I would try it out on this image as I thought it was a little dim. Let me know what you think, too much?

Uploaded: ...

Light Polluted skies
Optolong L-Pro filter
Broadband under Bortle 7/8/9
Schmidt-Cassegrain Telescope (SCT) Imagers
Suburban Astrophotography
Central USA

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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	4700201
PixInsight job	8RXFXZ09QD7GB17RGTU5UVERLA1MTOJU
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	14h03m14s.618
RA (top/left)	14h00m04s.880
RA (top/right)	14h06m29s.449
RA (bottom/right)	14h06m26s.804
RA (bottom/left)	13h59m56s.735

Dec (center)	+54°21′24″.35
Dec (top/left)	+54°02′33″.68
Dec (top/right)	+54°03′46″.59
Dec (bottom/right)	+54°39′55″.93
Dec (bottom/left)	+54°38′42″.91

Image Index:

Contribution Index (beta):

M101 - Pinwheel Galaxy

M101 - Pinwheel Galaxy

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Image Index:

Contribution Index (beta):

M101 - Pinwheel Galaxy

M101 - Pinwheel Galaxy

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Description

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Sky plot

Histogram

In these public groups

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