The Pinwheel galaxy (M101) (Andrea Iorio)

Celestial hemisphere: Northern · Constellation: Ursa Major (UMa) · Contains: M 101 · NGC 5455 · NGC 5457 · NGC 5461 · NGC 5471

The Pinwheel galaxy (M101), Andrea Iorio

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The Pinwheel galaxy (M101)

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The Pinwheel galaxy (M101)

- 2 astrophotographers 500km away
- 3 rigs with 3 different sampling resolutions
- Approximately 22 hours of RGB
- About 18 hours of Ha
The M101 Galaxy processing destroyed me!!!
It was very difficult for me to calibrate the colors despite more than 20 hours of RGB integration.
A target that certainly requires many more hours from our terrible night sky, maybe 40-50 hours.
However, we'll see you again next year!!!

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SETUP & SHOOTING DATA:
Mar - Apr 2024, Bortle 7/8

RIG1:
ZWO ASI533MC Pro
Skywatcher 130PDS f5 with 1X coma corrector
Optolong L-Pro and L-eNhance filters
Skywatcher EQM-35 Pro

RIG2:
TS Photoline 60ED
ZWO ASI715MC
Optolong L-Pro and L-eNhance filters
Skywatcher EQM-35 Pro

RIG3:
ZWO ASI533MC Pro
Skywatcher 200PDS f5 with 1X coma corrector
Optolong L-Pro and L-eXtreme filters
Skywatcher EQ6R Pro

Total acquisition about 38-40 hours

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

Distribution of astrophotographers

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	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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Extremely wide field
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.

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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.
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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	Basic success
Started	...
Astrometry.net job	9683137
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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The Pinwheel galaxy (M101)

The Pinwheel galaxy (M101)

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The Pinwheel galaxy (M101)

The Pinwheel galaxy (M101)

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