Pinwheel Galaxy - M101 (Piet)

Celestial hemisphere: Northern · Constellation: Ursa Major (UMa) · Contains: M 101 · NGC 5422 · NGC 5457 · NGC 5461 · NGC 5473 · NGC 5474 · NGC 5485

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Pinwheel Galaxy - M101

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Pinwheel Galaxy - M101

English:

The Pinwheel Galaxy is a spiral galaxy in the constellation Ursa Major and is located 21 million light-years away. Its diameter is 170,000 light-years and it contains approximately a trillion stars. Its properties can be compared to those of the Andromeda Galaxy. It is asymmetrical due to tidal forces from interactions with its companion galaxies.

First Light with the Askar OAG and the ASI 220MM Mini, which gave me better guiding than with Guidescope. I drizzled the image x2, which means that much more detail can be seen with only 360mm focal length. For all three nights I drove out of Berlin and took photos under a Bortle 4 sky.

Deutsch:

Die Feuerradgalaxie ist eine Spiralgalaxie im Sternbild Großer Bär und liegt 21 Millionen Lichtjahre entfernt. Ihr Durchmesser beträgt 170.000 Lichtjahre und sie umfasst ungefähr eine Billionen Sterne. Ihre Eigenschaften können mit denen der Andromeda-Galaxie verglichen werden. Aufgrund der Gezeitenkräfte aus Wechselwirkungen mit ihren Begleitgalaxien ist sie asymmetrisch.

First Light mit dem Askar OAG und der ASI 220MM Mini, die mir ein besseres Guiding beschert haben, als mit Guidescope. Ich habe das Bild gedrizzled x2, dadurch sind bei nur 360mm Brennweite viel mehr Details zu erkennen. Für alle drei Nächte bin ich aus Berlin rausgefahren und habe unter einem Bortle 4 Himmel fotografiert.

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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	Basic success
Started	...
Astrometry.net job	9878309
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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Pinwheel Galaxy - M101

Pinwheel Galaxy - M101

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Pinwheel Galaxy - M101

Pinwheel Galaxy - M101

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