Balkenspiralgalaxie Messier (M) 109 im Großen Bären (Ursa Major) (astrobrandy)

Celestial hemisphere: Northern · Constellation: Ursa Major (UMa) · Contains: M 109 · NGC 3992

Balkenspiralgalaxie Messier (M) 109 im Großen Bären (Ursa Major), astrobrandy

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Balkenspiralgalaxie Messier (M) 109 im Großen Bären (Ursa Major)

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Balkenspiralgalaxie Messier (M) 109 im Großen Bären (Ursa Major)

Diese schöne Balkenspirale ist eine der ersten, die ich mit meinem 8"-Newton aufgenommen hatte. Sie ist, soweit mir bekannt, die lichtschwächste Welteninsel des berühmten Messier-Kataloges nebelhafter Objekte, geschaffen von dem frz. Atronomen und Kometenjäger Charles Messier, die wir am Himmel beobachten können, gelegen im Sternbild Großer Bär in unmittelbarer Nähe des Sternes Phekda (Gamma UMa). Diese Aufnahme ist ein Crop und könnte - natürlich - viel mehr Photonen vertragen. Wieder ein älteres Bild, das ich auf der Festplatte fand und zum dortigen versauern wiederum zu schade ist...

Original
Final
C

C

Description: Neubearbeitung mittels PS CC 2019 im Hinblick auf Bildhintergrund (hauptsächlich mehr Glättung) sowie Farbsättigung und Betonung der eher bläulichen Spiralarmbereiche sowie des deutlich gelblicher zu gewichtenden Kerngebietes der Galaxie. Wegen des farbverfälschenden CLS-Filters leider nur unzureichend möglich.

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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	3247332
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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Balkenspiralgalaxie Messier (M) 109 im Großen Bären (Ursa Major)

Balkenspiralgalaxie Messier (M) 109 im Großen Bären (Ursa Major)

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Contribution Index (beta):

Balkenspiralgalaxie Messier (M) 109 im Großen Bären (Ursa Major)

Balkenspiralgalaxie Messier (M) 109 im Großen Bären (Ursa Major)

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C

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