M 95 (Alberto Tomatis)

Celestial hemisphere: Northern · Constellation: Leo (Leo) · Contains: M 95 · NGC 3351

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M 95

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M 95

M-95, NGC 3351 è un classico esempio di una galassia spirale barrata, le braccia a spirale quasi circolari

(giovani stelle, gas e polvere), formano un anello.

Si noti che i bracci a spirale continuano in una estensione molto debole.

M-95 ha una protuberanza inusuale starburst nucleare.

Nel rigonfiamento nucleare non vi è un nucleo di riposo, ma è circondata da una corona di H-II regioni

che appaiono come tre nodi più blu intensa formazione stellare in cui si svolge in particolare,

nella struttura anulare di M95 che ha un diametro esterno di circa 20 secondi d'arco, attorno ad un nucleo

più rosso di circa 2 secondi d'arco. Ci sono tre grandi complessi di regioni H-II, il cui alto contenuto di O in stelle

di giovane età.

Alloin e Nieto (1982) suggeriscono che il burst è legato alla presenza di un flusso radiale dell'anello verso il nucleo, che potrebbe produrre un accumulo di gas neutro, che fornisce combustibileper la formazione stellare.

M-95 contiene circa 100 miliardi di masse solari, ed è circa 100.000 anni luce di diametro.

E 'stato scoperto da P. Méchain marzo 1781.

Magnitude: 10,7

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
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.

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