M81 (NGC 3031) (Hartmuth Kintzel)

Celestial hemisphere: Northern · Constellation: Ursa Major (UMa) · Contains: Bode's Galaxy · M 81 · NGC 3031 · PGC 2724146 · PGC 2726822 · PGC 28505 · PGC 28529 · PGC 28757

Image of the day 04/07/2013

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M81 (NGC 3031)

Image of the day 04/07/2013

Powered byPixInsight

M81 (NGC 3031)

First test for finderscope-guiding. It worked nearly perfect

The images where made with camera internal dark-substraction.

12 images with CLS-filter - 10min per image.

8 images without CLS-filter - 8min per image.

Astrofreunde-Franken
Schmidt-Cassegrain Telescope (SCT) Imagers
AstroBin Platform open discussions community forum
Nuremberg Public Observatory

Beyond the Milky Way

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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
Artificial satellite

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	...
PixInsight job	BMQ7NIVUJ49CKCH1E72FQ9GG1MK6NR35
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	09h55m32s.47
RA (top/left)	09h52m43s.19
RA (top/right)	09h52m11s.85
RA (bottom/right)	09h58m15s.43
RA (bottom/left)	09h58m59s.99

Dec (center)	+69°03′34″.8
Dec (top/left)	+69°28′08″.3
Dec (top/right)	+68°41′12″.8
Dec (bottom/right)	+68°38′51″.7
Dec (bottom/left)	+69°25′41″.6

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Image of the day 04/07/2013

M81 (NGC 3031)

Image of the day 04/07/2013

M81 (NGC 3031)

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Image Index:

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Image of the day 04/07/2013

M81 (NGC 3031)

Image of the day 04/07/2013

M81 (NGC 3031)

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Acquisition details

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Sky plot

Histogram

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