M 1 (Alberto Tomatis)

Celestial hemisphere: Northern · Constellation: Taurus (Tau) · Contains: M 1 · NGC 1952

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M 1

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M 1

Nebulosa del Granchio (denominazioni catalogoM1, NGC 1952, Toro A) è il resto di una supernova nella costellazione del Toro . La nebulosa è stata osservata da John Bevis nel 1731, ma corrisponde ad una brillante supernova registrata da arabi , cinesi e giapponesi, gli astronomi nel 1054 .

I raggi X ed i raggi hanno gamma energie superiori ai 30 keV . Situata ad una distanza di circa 6.500 anni luce (2 kpc )dalla Terra , la nebulosa ha un diametro di 11 anno luce (3,4 pc ) e si espande a una velocità di circa 1.500 chilometri

al secondo . Fa parte del braccio di Perseo della Via Lattea .

Al centro della nebulosa si trova la Pulsar del Granchio , una stella di neutroni, avente un diametro di 28-30 Km, che emette impulsi di radiazione di raggi gamma ad onde radio con una velocità di rotazione di 30,2 volte al secondo. La nebulosa è stato il primo oggetto astronomico identificato con l'esplosione di una supernova storica.

La nebulosa è indicata anche come Messier 1 o M1, essendo il primo oggetto Messier catalogato nel 1758.

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

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	6447194
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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Image Index:

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M 1

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