Giant Squid Nebula, page 3

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Astrophotography

22.4 MEGAPIXEL

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Giant Squid Nebula sent on October 16, 2024 (10:25) by Mastropasky. 48 comments, 2223 views. [editors pick]

Ciao a tutti, amici! ? Ecco la mia nebulosa Calamaro gigante nella costellazione di Cefeo. Tra tutte le nebulose fotografate negli anni, questa mi ha veramente distrutto, sia psicologicamente che fisicamente. Questa nebulosa è stata scoperta solo nel 2011, e questo già la dice lunga su quanto sia tenue e apparentemente "nascosta" nel cielo stellato... Ci sono volute ben 31 ORE di scatti per tirarla fuori in modo più o meno "decente"... ? 31 ore suddivise in 5 notti di foto continue su quella frazione di cielo dove tutto si vedeva tranne che il calamaro blu, e non capivo se andare avanti o rinunciare... Alla terza notte stavo per gettare la spugna, ma la tenacia ha vinto! Posso dire di aver fatto bene ad insistere, perché la soddisfazione di vedere quel calamaro gigante di ossigeno terzo evidenziarsi sull'idrogeno ionizzato è stata troppo appagante. ? Parliamo un po' di questa nebulosa: sebbene appaia completamente circondata dalla rossastra regione a emissione di idrogeno, Sh2-129, la vera distanza e la reale natura della Nebulosa Calamaro sono state difficili da determinare. Una recente indagine suggerisce che la nebulosa in realtà si trovi all'interno di Sh2-129, a circa 2.300 anni luce di distanza dalla Terra. Coerentemente con questo scenario, il calamaro rappresenterebbe un deflusso spettacolare prodotto da HR8119, un sistema triplo di stelle calde e massicce, vicino al centro della nebulosa. In questo caso, il misterioso e gigantesco calamaro si estenderebbe fisicamente per quasi 50 anni luce! ? Dati di acquisizione: Montatura Equatoriale EQ6-r pro (asta pesi maggiorata Geoptik) Telescopio: Skywatcher 254 1000 F4 Camera di acquisizione: OMEGON VETEC 571 C modello V4 Correttore di Coma: TS GPU APLANATICO A 4 ELEMENTI Camera guida: ZWO ASI 224 MC Telescopio di guida: Skywatcher 70 500 Software guida: PHd2 Software riprese: N.I.N.A Filtri: OPTOLONG L-Ultimate (3 nanometri) Scatti : 367x300s Gain: 100 Flat totali tra le varie sere: 68(Sky Flat) Dark:15

View High Resolution 22.4 MP

176 persons like it: Adele.latella, Agata Arezzo, Airy, Alan Ford, Alberto Dall'oglio, Alberto Delaini, Alberto Tirri, Albieri Sergio, Albrex68, Alessandro Forgiarini, Alex Pezzoili, Alex.casale, Alex969, Aleziggio, Alfredo52, Amirkhani, Andnol, Andrea Biagiolini, Andrea Casolin, Angela Pirovano, Angelo Adorisio, Antomar21, Antonellomora, Aringhe Blu, AstroC, Atrox, Barbara81, Baribal, Bass3d, Beppeverge, Bertalberto, Bertaxtz92, BlueSky49, Bo Larkeed, Btiziano91, Carlo Girola, Caterina Bruzzone, Claudio Cortesi, Claudio Ricci, Claw, Corallo, Cusufai, Dario Quattrin, Davide Fusco, DavideOtta, Delphinus, Dokker, Domenico, Ecka, Eddie6630, Elias Piccioni, Elli Roberto, Emilio Paolo, Emilio1948, Fab0569, Fabio Ponso, Fabrizios53, Fernando Vendittelli, Ff65, Francesco Cavalieri, Francesco I., Francesco Mussapi, Francesco Sartori, Franci925, Frank_61, Fulvio Gioria, Gabytza90, Gaetano Perego, Gannjunior , Gefa, GiacomoPegorin, Giancarlo Cappellari, Giancarlo Vetrone, Gianni Aggravi, Giion, Gion65, GionaTabarini, Giovanni Colicchia, Giovanni e Davide, Giovanni Marchese, Giovanni Soligo, Giuliano DaVinci, Giuliano75, Gnedo, Gp0167, Gpierocompostela, Gprizzi, Guglia72, Icaro66, Jjhouse, Johnny P, Jordan79, Juza, Kalos, Karim Cuberli, Lamahd, Larissa71, Lazza80, Lb1960, Leonardo Nieri, Lilit, Luca Tassi, Luca1, LucaBencio, Lucamontipo, Luigi Casetta, Luigi Torino, Lully, Manuelpermonti, Marco Lombardo, Marco Neri, Marcof86, Mario_61, MarsCr, Maryas, Massimiliano82, Massimo De Padova, Matley Siena, Matteo.catani, Mauro Gamberini, Mauror., Maxmontella, Maxviii, Michele Marini, Mirko M, Misterg, Mnardell, Moro, Motofoto, Nicolò Cavallaro, Orione68, P.a.t 62, Pada, PaoloGo, PeppeMar, Pierluigi Fogliotti, PietroCv, Pino99, Raffaele Della Santa, Realvit, Renni, Rial, Riccarbi, Riccardo Arena Trazzi, Roberto Dani, Roberto Degli Uomini, Roberto1977, Robynhooz, Romma69, Rusei Sebastian, S5pro, Sandro Cressi, Saveriocz, Sercarlo, Sergik, Sigma3000, Simoneperi1967, Soriana, Stampedli, Stefania Saffioti, Stefano Marangoni, Stefano0966, StefanoConti, Stefano_forcina, Swallace, Taglia67, Taranis, Technophil, TheBlackbird, Undertaker, XFleshcoated, Zamax, Zinder, Zipablo, Zolikron, _Axl_

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Mastropasky

sent on October 18, 2024 (12:59) | This comment has been automatically translated (show/hide original)

I don't know what to say, I'm reading you all
Claudio, Luca, Bo Larkeed, Axl, Mauro, Wolfyr, Moro, Xflesh, Luigi Casetta, Massimiliano and all all of them (sorry if I forgot someone).
My heart is filled with joy for your words and especially because my photos arouse positive emotions in you.
Finally, I thank Juza with all my heart for awarding my photo, I have no words. Thank you thank you thank you all :-D

Gion65

sent on October 18, 2024 (23:50) | This comment has been automatically translated (show/hide original)

Congratulations is a STRATOSPHERIC photo !!

Albrex68

sent on October 20, 2024 (14:20) | This comment has been automatically translated (show/hide original)

Great work and great result.
A question: But what can you actually see in the telescope when observing it at the moment?

Mastropasky

sent on October 21, 2024 (1:38) | This comment has been automatically translated (show/hide original)

Thank you so much davvero for the vostri apprezzamenti Cool

Mastropasky

sent on October 21, 2024 (1:41) | This comment has been automatically translated (show/hide original)

Albrex68 this nebula you see in the photo is practically invisible in direct observation, not only will I tell you that not even a long exposure photo can show it as you see it in the photo. The reason is that it is a very very very tenuous nebula and needs many hours upon hours of integration adding up many shots :-D

Airy	sent on October 21, 2024 (12:20) You made me discover that one, it is not often depicted. Great shot. Your patience be praised.

Albrex68

sent on October 22, 2024 (23:20) | This comment has been automatically translated (show/hide original)

Mastropasky Thank you for the explanation!

Mastropasky

sent on October 23, 2024 (0:31) | This comment has been automatically translated (show/hide original)

Thank you for your appreciation MrGreen

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