Pinwheel Galaxy (M101) (Gabriel Cardona)

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 · Pinwheel galaxy

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Pinwheel Galaxy (M101)

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Pinwheel Galaxy (M101)

The Pinwheel Galaxy, also known as M101, is a face-on spiral galaxy about 21 million light-years from Earth, in the constellation Ursa Major. It is about the same size as our Milky Way, about 170,000 light-years across.

B

Description: Performed deconvolution to sharpen details.

Uploaded: ...

C

Description: Reprocessed using PI's LargeScaleStructureEnhance script and MLT for sharpening vs. deconvolution.

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D

Description: No noise reduction, no sharpening, just color calibration, histogram stretch and curves adjustment. A little soft, but no artifacts gives a more natural look.

Uploaded: ...

E

Description: Reprocessed from scratch. Better calibration, deconvolution, noise reduction.

Uploaded: ...

F

Description: Reprocessed from scratch to fix star color, lighten background, and make image smoother.

Uploaded: ...

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	1972759
PixInsight job	A9E7VD5N30TUH401DFJ1TK8DI8RFYHEK
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	14h03m11s.569
RA (top/left)	14h04m54s.754
RA (top/right)	14h01m27s.795
RA (bottom/right)	14h01m29s.650
RA (bottom/left)	14h04m54s.111

Dec (center)	+54°24′03″.60
Dec (top/left)	+54°39′01″.68
Dec (top/right)	+54°38′55″.65
Dec (bottom/right)	+54°09′00″.40
Dec (bottom/left)	+54°09′05″.91

Image Index:

Contribution Index (beta):

Pinwheel Galaxy (M101)

Pinwheel Galaxy (M101)

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E

F

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Histogram

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Image Index:

Contribution Index (beta):

Pinwheel Galaxy (M101)

Pinwheel Galaxy (M101)

Equipment

Acquisition details

Description

Comments

Revisions

B

C

D

E

F

Sky plot

Histogram

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