M101 Galassia girandola (Alessandro Curci)

Celestial hemisphere: Northern · Constellation: Ursa Major (UMa) · Contains: HD122865 · M 101 · NGC 5447 · NGC 5449 · NGC 5450 · NGC 5451 · NGC 5453 · NGC 5455 · NGC 5457 · NGC 5461 · NGC 5462 · NGC 5471 · NGC 5473 · NGC 5477 · Pinwheel galaxy

Powered byPixInsight

M101 Galassia girandola

Revision title: Ultima versione

Powered byPixInsight

M101 Galassia girandola

Revision title: Ultima versione

La **Galassia Girandola**, nota anche come **M101** o **NGC 5457**, è una splendida galassia a spirale situata nella costellazione dell'Orsa Maggiore¹. Scoperta nel 1781 da Pierre Méchain e Charles Messier, è una delle galassie più brillanti del cielo grazie alla sua estensione e relativa vicinanza a noi, distando circa **21 milioni di anni luce** dalla Terra¹.

M101 è classificata come una galassia di tipo **Sc**, ovvero una spirale non compatta, e da un osservatore terrestre è vista esattamente "di faccia". Tuttavia, i suoi bracci a spirale sono visibili solo con l'ausilio di un grande telescopio¹. La galassia è anche parte di un gruppo di galassie noto come il **Gruppo di M101**¹.

Recentemente, ha suscitato grande interesse la scoperta di una nuova supernova, denominata **SN2023ixf**, esplosa in uno dei bracci di spirale di M101. Questo evento è stato osservato per la prima volta dall'astronomo amatoriale giapponese Koichi Itagaki il 19 maggio 2023².

Per gli appassionati di astronomia, M101 può essere osservata anche con un semplice binocolo in condizioni eccellenti, e il periodo migliore per la sua osservazione nel cielo serale va da febbraio a settembre

B

Title: Crop

Uploaded: ...

E

Title: Flat ok + Aggiunta di 16 light da 300"

Uploaded: ...

F

Title: Flat ok + Aggiunta di 16 light da 300"

Uploaded: ...

G

Title: SOLO PIX

Uploaded: ...

H

Title: Ultima versione

Uploaded: ...

ZWO ASI 2600MC PRO
Imagers of Italy
ZWO AM5
PixInsight Addicts
Ritchey Chretien telescopes GSO Family

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	Advanced success
Started	...
Astrometry.net job	9407440
PixInsight job	UNWH9GQJCHU1CEUQFWT3Z47BUI3G338L
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	14h03m33s.633
RA (top/left)	14h02m36s.585
RA (top/right)	13h59m33s.278
RA (bottom/right)	14h04m27s.918
RA (bottom/left)	14h07m38s.413

Dec (center)	+54°21′00″.80
Dec (top/left)	+55°04′15″.45
Dec (top/right)	+53°54′30″.58
Dec (bottom/right)	+53°37′43″.34
Dec (bottom/left)	+54°46′59″.26

Image Index:

Contribution Index (beta):

M101 Galassia girandola

Revision title: Ultima versione

M101 Galassia girandola

Revision title: Ultima versione

Equipment

Acquisition details

Description

Comments

Revisions

B

E

F

G

H

Sky plot

Histogram

In these public groups

		...
You have no new notifications.

Image Index:

Contribution Index (beta):

M101 Galassia girandola

Revision title: Ultima versione

M101 Galassia girandola

Revision title: Ultima versione

Equipment

Acquisition details

Description

Comments

Revisions

B

E

F

G

H

Sky plot

Histogram

In these public groups

Notifications

AstroBin is in READ ONLY mode

Sorry :-(

Sorry :-(

Sorry :-(

Are you really sure?

Warning!

Warning!

Are you sure?

Report abuse

Slideshow settings

IOTD/TP stats (last [x] days)

Distribution of astrophotographers

Distribution of subject types

Distribution of data sources

Sorry

Sorry

Share

Upload new revision

Upload uncompressed source (XISF/FITS/PSD/TIFF)

Delete image and all its revisions?

Delete original image?

Delete all other versions?

Delete all revisions?

Delete this revision?

Delete this revision?

Delete this revision?

Delete this revision?

Delete this revision?

IOTD/TP stats

The following people like this image

The following people bookmarked this image

Warning

Flag malfunctioning thumbnails

Contains

Remove yourself as a collaborator

Plate-solving information