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  1. Galleries
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  4. » M51 The Whirlpool Galaxy

 
M51 The Whirlpool Galaxy...

Atronomia3

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M51 The Whirlpool Galaxy sent on January 17, 2026 (20:06) by Mauror.. 39 comments, 1423 views.  [editors pick]

M51 The Whirlpool Galaxy


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185 persons like it: 75Daniele, Adele.latella, Alan Ford, Albert77, Alberto Tirri, Albertof, Albieri Sergio, Alebizzo, Alessio Ivaldi, AlexEames, Anacronistico, Andnol, Andrea Biagiolini, Andrea Casolin, Andrea R, Andrew Reutov, Aringhe Blu, Arvina, Astro-Giamb, Aurora.Bi, Azzurro, Bagua, Bertalberto, Biggythemyte, Bo Larkeed, Bruno_pratico, CarloZanussi, Ceredario65, Clatambo56, Claudio Cortesi, Claudio Del Rio, Cola, Corallo, Costantino, Dario Quattrin, Dariobenji, Darioslc, Delphinus, Diego Moscati, Dierre.ph, Dokker, Domenico, Duri, Elia G. De Feudis, Elli Roberto, Emilio1948, Enrico Fulco, EnricoTanz, Epago, Erlegnan, Eros Penatti, Errekappa, Fab0569, Fabrizio Zerbini, Fabrizios53, Federico Freddoni, ForeverYoung, Francesco Sartori, Freediver214, Fulvio Gioria, Gabriele Cavagna, Gaetano Perego, Gast1, Giallo63, Giancarlo Cappellari, Giancarlo Vetrone, Gianni Aggravi, Gianni Golinelli, Giion, Gion65, Giorgio Bacer, Gp70, Gprizzi, Guelfo, Guido Boccignone, Guidotti Sergio, Gundamrx91, Il Gobbo, Indaco, Iw7bzn, Jancas, Jok3r, Jonathan68, Jonphoto, Jordan79, Juza, Kalos, Kikozzo, Larissa71, Lauc, Lazza80, Lazzaro, LeoGa, Leonardo Nieri, Leopoldo Lusa, Lorenzo Crovetto, Luca Tassi, Luca96s, Lucapucci, Lucio Pegoraro, Luigi Casetta, Lukehtf77, Lukeskywalker, LuSP, MadEmilio, Magù, Marco Marino, Marcon, Marcorik, Mario_61, MarsCr, Maryas, Massimiliano82, Massimo_70, Matteo2000, Maurizio Junior Gabbi, Maurocomi8, MauroRu, Maxmontella, Maxviii, Michelefrigo, Mnardell, Mondo96, Monitor, Nenad, Nicolò Cavallaro, Nicola De Crecchio, Nikcola, Nordend4612, Orione68, P.a.t 62, Pada, Pakuino, Papy 55, Peppe Cancellieri, Photo Infinity, Pierluigi Fogliotti, Piero Trinchero, Pietro Bianchi, Pietro22, Pino99, Pippos, Preben Elkjaer, Renavett, Renni, Rial, Riccardo Arena Trazzi, Riccardo Panzeri, Roberto Dani, Roberto Degli Uomini, Roberto Ortu, Roberto1977, Roy72chi, S5pro, Sandro Zambon, Scosse, Sergik, Sergio Darsie, Sigma3000, Simoneperi1967, Sirio 56, Sondav, Soriana, Sorvolator, Stefania Saffioti, Stefano Marangoni, StefanoConti, Tessi, Testadura65, TheBlackbird, Tobé, Tsunamihaz, Valerio Colantoni, Valerio Mb, Valmic, Vince60, Vincenzo56, Wells, Wolfman1908, XFleshcoated, Zamax, Zinder, Zipablo, Zolikron, _Axl_


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avatarsenior
sent on January 17, 2026 (20:12) | This comment has been translated

Beautiful, congratulations!

avatarjunior
sent on January 17, 2026 (20:18)


This comment is too long to be automatically translated, so it will be shown in its original language (Italian)  

Click here to translate the comment in English [en]


Questa è la famosa galassia M51 , qui ripresa da casa nel Trevigiano nel 2020 .
RGB con apporto di segnale Ha che mette in evidenza le emissioni di Idrogeno .

maurosky.webador.it/m51

M 51 è un oggetto astronomico del catalogo di Messier che comprende due galassie distinte, nella costellazione boreale dei Cani da Caccia:

La più grande e famosa Galassia Vortice (anche nota come NGC 5194 e talvolta M51A) è una classica galassia a spirale. Fu scoperta da Charles Messier il 13 ottobre del 1773.

La più piccola galassia compagna nota come NGC 5195 (o anche M51B), è parzialmente coperta da un braccio di polvere della spirale Vortice (con la quale interagisce) ed è stata scoperta da Pierre Méchain nel 1781.

La Galassia Vortice è una delle più luminose e interessanti galassie nel cielo: dista dalla Terra da 15 a 37 milioni di anni luce ed è ampia da 50.000 a 100.000 anni luce. È anche il membro dominante di un piccolo gruppo di galassie, chiamato gruppo di M51. Buona parte della sua intensa luminosità è dovuta alla presenza, nei bracci, di giovani ammassi stellari. Questa galassia fu la prima di cui si osservò la struttura a spirale, ad opera di William Parsons nel 1845; gli astronomi ipotizzano che la forma a spirale sia dovuta principalmente alle interazioni gravitazionali con la galassia più piccola. La spirale disegnata dai bracci della galassia è una spirale logaritmica.

La Galassia Vortice è unita a NGC 5195 attraverso un involucro comune di gas. L'interazione fra le due galassie ha comportato un incremento della creazione di stelle in NGC 5195. Anche il nucleo della Galassia Vortice è più luminoso di quanto ci si potrebbe aspettare, e questo ha portato alcuni studiosi a classificarla come una galassia di Seyfert attiva.

it.wikipedia.org/wiki/M51_(astronomia)


L 300secX101 Bin1
R 300secX27 Bin1
G 300secX27 Bin1
B 300secX27 Bin1
Ha1200secX16 Bin1
Totale circa 20 ore

​GM1000 HPS 10Micron Mount and Aries Tripod
Astrografo Ritchey–Chrétien GSO 10" Truss V3
fl_2000mm f/8
FOV 0°27'x 0°27'
resolving 0.76"pix
Moravian Instruments G2-4000 MARK II Monochrome CCD Camera
Baader Filters
OAG Lodestar x2
Location : Treviso 2020 April

Mauro


avatarjunior
sent on January 17, 2026 (20:19) | This comment has been automatically translated (show/hide original)

@Leonardo Nieri
cheers thanks !

avatarsupporter
sent on January 17, 2026 (21:07) | This comment has been translated

Marvelous

avatarsupporter
sent on January 17, 2026 (23:52)

La tua foto è eccellente
Un magico gioco di luci e nebbia,
Un universo magico,...,...e quanto siamo piccoli sulla Terra.
Saluti e buon fine settimana
Leon

avatarsenior
sent on January 18, 2026 (10:41) | This comment has been translated

Really nice, congratulations!

avatarsenior
sent on January 18, 2026 (14:58) | This comment has been automatically translated (show/hide original)

Wow. 8-) so much stuff... Greetings Marzio

avatarsenior
sent on January 18, 2026 (19:09) | This comment has been automatically translated (show/hide original)

Clap... clap.... clap... beautiful Mauro.
A
greeting Gp

avatarjunior
sent on January 19, 2026 (13:05) | This comment has been automatically translated (show/hide original)

Thanks again to everyone for the comments and for watching it !
@Gp Bye Giampi ! see you soon bye !

avatarsenior
sent on January 19, 2026 (13:41) | This comment has been automatically translated (show/hide original)

Congratulations !!
You make me want to reactivate my telescope (a 5" apochromat) which for various reasons has been parked at home for three years

avataradmin
sent on January 20, 2026 (8:22) | This comment has been translated

Fantastic!

avatarsupporter
sent on January 20, 2026 (8:32) | This comment has been translated

Enchanting!

avatarsupporter
sent on January 20, 2026 (8:53) | This comment has been translated

A masterpiece!

avatarjunior
sent on January 20, 2026 (8:55) | This comment has been automatically translated (show/hide original)

Beautiful all the series and descriptions. To be reviewed and reread from time to time. Good job.

avatarsupporter
sent on January 20, 2026 (9:01) | This comment has been automatically translated (show/hide original)

I get drunk just reading the technical description, looking at it instead I delude myself into thinking I am immersed in it. Gorgeous. Bravo Emanuele for the well-deserved EP.

avatarsenior
sent on January 20, 2026 (9:43) | This comment has been automatically translated (show/hide original)

A spectacle, really!
Congratulations Mauro.

avatarjunior
sent on January 20, 2026 (9:52) | This comment has been automatically translated (show/hide original)

Incredibly beautiful in its whirlwind, thank you for showing it to us, thank you so much!

avatarjunior
sent on January 20, 2026 (9:57) | This comment has been translated

Beautiful, congratulations!

avatarjunior
sent on January 20, 2026 (10:04) | This comment has been automatically translated (show/hide original)

The amount of detail even in the smallest galaxies is impressive

avatarsupporter
sent on January 20, 2026 (10:05) | This comment has been automatically translated (show/hide original)

Extraordinary work, congratulations, bye


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