Messier 101 - Pinwheel Galaxy (Lucas Mourey)

Celestial hemisphere: Northern · Constellation: Ursa Major (UMa) · Contains: HD122471 · HD122865 · M 101 · NGC 5422 · NGC 5447 · NGC 5449 · NGC 5450 · NGC 5451 · NGC 5453 · NGC 5455 · NGC 5457 · NGC 5461 · NGC 5462 · NGC 5471 · NGC 5473 · NGC 5474 · NGC 5477 · NGC 5484 · NGC 5485 · NGC 5486 · PGC 214207 · PGC 2448110 · PGC 2449271 · PGC 2455022 · PGC 2456753 · PGC 2456975 · PGC 2457015 · PGC 2457151 · PGC 2464645 · PGC 2468609 · And 39 more.

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Messier 101 - Pinwheel Galaxy

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Messier 101 - Pinwheel Galaxy

Second test session with the monochrome camera and its LRGB filters (and therefore LRGB processing in PixInsight). It was also about testing a new advanced sequence in NINA... which turned out to be catastrophic.

The composition of the image is deliberate: I wanted to integrate NGC 5422, NGC 5474 and NGC 5485 (among many others!) into the field.
Only about 1h30 of integration, because the clouds came in and I encountered some tracking problems before the meridian flip.

I can't wait to be able to image a full night: it's been months since that's been possible here.

Messier Objects
ToupTek and rebranded cameras
PixInsight Addicts
N.I.N.A. Users
Imaged with N.I.N.A.
AAA : Astronomes et Astrographes Amateurs

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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
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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
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	9801086
PixInsight job	9BYBS8QBCKFFCKF5MFL42LVOZ3QJDSP0
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	14h04m00s.89
RA (top/left)	14h00m08s.80
RA (top/right)	13h59m56s.72
RA (bottom/right)	14h07m44s.23
RA (bottom/left)	14h08m15s.90

Dec (center)	+54°24′28″.10
Dec (top/left)	+55°17′42″.10
Dec (top/right)	+53°32′47″.6
Dec (bottom/right)	+53°30′46″.2
Dec (bottom/left)	+55°15′35″.4

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Messier 101 - Pinwheel Galaxy

Messier 101 - Pinwheel Galaxy

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Image Index:

Contribution Index (beta):

Messier 101 - Pinwheel Galaxy

Messier 101 - Pinwheel Galaxy

Equipment

Acquisition details

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Comments

Sky plot

Histogram

In these public groups

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