M31 Galaxie d'Andromède faite en Belgique à Hamois. (Luc Viatour)

Celestial hemisphere: Northern · Constellation: Andromeda (And) · Contains: 35 And · Andromeda Galaxy · M 110 · M 31 · M 32 · NGC 205 · NGC 221 · NGC 224 · The star ν And

M31 Galaxie d'Andromède faite en Belgique à Hamois., Luc Viatour

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M31 Galaxie d'Andromède faite en Belgique à Hamois.

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M31 Galaxie d'Andromède faite en Belgique à Hamois.

Andromeda (M31) on 16/09/2023 in Hamois, Belgium

Skywatcher Esprit 120ED telescope with a focal length of 646mm and a 0.77x reducer corrector - 1.5 hours of exposure (180s x 30) with an unfiltered Nikon Z7 camera, IDAS LPS P3 filter, Skywatcher AZ-EQ6 mount, TS 60mm/240mm guide telescope, and ASI290MM guide camera.

Processed using Siril, Starnet, darktable, and GIMP.

The Andromeda Galaxy, also known as M31 in the Messier Catalogue and NGC 224, is a spiral galaxy located approximately 2.55 million light-years from the Sun in the constellation of Andromeda. With a diameter of about 220,000 light-years, it is believed to contain around one trillion stars, two to five times more than our own galaxy. With a visual magnitude of 3.4, the Andromeda Galaxy is one of the few galaxies visible to the naked eye from Earth in the northern hemisphere. It is also one of the largest objects in the night sky, with an apparent diameter of 3.18 degrees, which is over six times the apparent diameter of the Moon as seen from Earth.

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	Distinct awarded users	Total awarded images
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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
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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
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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	8630242
PixInsight job	n/a
PixInsight queue size	n/a
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M31 Galaxie d'Andromède faite en Belgique à Hamois.

M31 Galaxie d'Andromède faite en Belgique à Hamois.

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M31 Galaxie d'Andromède faite en Belgique à Hamois.

M31 Galaxie d'Andromède faite en Belgique à Hamois.

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