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  1. Galleries
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  3. Astrophotography
  4. » Crescent Nebula

 
Crescent Nebula...

Nebulose

View gallery (19 photos)

Crescent Nebula sent on November 06, 2017 (18:24) by Stefano_C. 86 comments, 9635 views.  [editors pick]

Ripresa profonda della crescent nebula, Nebulosa diffusa che si trova nella costellazione del cigno


View High Resolution 2.8 MP  

269 persons like it: 19Filippo74, 7h3 L4w, Adele.latella, Afrikachiara, Alan Ford, Alberto Gagliardi, Alberto Tirri, AlbertoIal, Albertopantellini, Albieri Sergio, Alessandro Forgiarini, Alessandro Moneta, Alexey, Alexey Poljakov, Alfredo64, Allocco25, Anarres, Andrea Cacciari, Andrea Marzorati, Andrea Moriconi, Andrea Musina, Andreacanon60d, Andreaf, Andreapz, Anto77, Antonina Eccomi, Aringhe Blu, Arvina, Ashgan, Bares, Baribal, Batcaius, BCorrado67, Benny Yuz, Blade_71, Brièxit, Camillapaties, Canopo70, Canotz, Capitanlafit, Carmelo Milluzzo, Caterina Bruzzone, Cfralleo, Champlain, Civetta_selvaggia, Claudio Cortesi, Cobarcore, Colorsacco, Cosiminodegenerali, Cuttolo, Dal Pozzo Carlo, Daniel Maran, Daniele Dapretto, Daniele Ruggeri D2, Danila Guido, Danilo Bassani, Dario Gazzi, Dario Rattieri, DArt 84, Davide Falossi, Davide Pecorari, Diamante_P, Domenico_momo, Domenik, DomzHQ, Donrobus, Duri, Earst1969, Ecka, Elias Piccioni, Ellezeta, Elzéard Bouffier, Emanuel Foglia, Emilio Bertani, Enrico Boscolo, Eros Penatti, Fabio Vegetti, Fabioviti, Fabritaz, Fabrix, Fabrizios53, FasoAD, Fedemini, Federico23, Felice Di Palma, Fiodor, Fiorenzo Fiorenza, Flavyohken, FloGse, Fox88, Fragarbo, Francesco Colucci, Francesco Mussapi, Francesco.Santullo, Frank2000, Gabrielle Martin, Gaetano Perego, Garciamarquez, Giacota, Giancarlo Melis, Gianluca Porciani, Gianluca Tomarchio Vasta, Gio3000m, Giordano Fregonese, Giorgio Disaro, Giorgio1988, Giovabubi, Giovanni e Davide, Giovanni Riccardi, Giovanni Strano, GiovanniManiero, Giultiz, Giuseppe D'amico, Giuseppe Merlino, GixCai, Gp70, Gremlin, Grizzly, Grost76, Guido Signori, Gundamrx91, Il.Lord., Ilmore52, Indaco, Ittogami, Ivan.pirina, Jack_98, Jankoj, Jeant, Joe Popò, Josh, Juza, Kemposk, Korra88, Laerte, Larissa71, Laterzapas, Latino Rosario, Leonardo Ciuffolotti, Leonardo Nieri, Leonardo670sv, Lespauly, Ls75, Luca Questa, Luca Rubini, Lucapucci, LucianoSerra.d, Luigi T., Lukeeno, LuTod, Maccy, MadEmilio, Magher3D, Magma82, Marco Grosso, Marco Nalini, Marco Neri, Marco Paradiso, Marco Renieri, Marco Scarabello, Marco Verzeroli, Marcophotographer, MarsCr, Martinclimber, Marzio Bambini, Masizharu, Massimoeos, Matley Siena, MattiaC, Mauelle, Maurizio Colombini, Maurizio314, Mauro66, Mauror., Mauryg11, MauSweden, Maxail, Maxrevolution, Maxspin73, Maxviii, Mb339, Michele.faccin, Michelefrigo, MicheleS, Mikybo86, Misterg, Motofoto, MrDadozzo, Nemesi9191, Neozon69, Netttto23, Nico Rodi, Nikko10h, Niko14, Nino Gaudenzi, N_i_c_o, Ombra Grigia, Orione68, P.a.t 62, Pada, Paolo M., Paolo Piccolino, Paolo56, Pawel68, Peppe Cancellieri, Pfsound, Photo_monkey, Piergiovanni Pierantozzi, PietroBettega, Pinnabianca, Pm544, Politiz29, Quellolà, Raffaele Spettoli, Raffaele.nardi, Raffaele1978, Redponch, Renzo Chiavacci, Riccardo Arena Trazzi, Riccardo Bocconi, Riccardo Boldrini, Richarditaly, Rino Orlandi, Roberto Guerrini, Roberto Manzoni, Roberto1977, Romeo Bmo, Rorschachx, Roy72chi, Rubino232, Savino P., Sbtutu, Scarlet, Scorpi1972, Scuter1956, Seimejotex, Sg67, Silver58, Simog69, Simone Rota, Sky7, Skylab59, Slashleo, Standola, Stefania Saffioti, Stefano0966, StefanoConti, Stenogau, Teamwild, Technophil, Teo94, Terrestre Extra, TheBlackbird, Trace, Tristan, Tritonal, Turbolumaca, Valterio, Vega, Vetuale87, VincenzoMcanon, Vito Serra, Vittorio Ferrero, Vlk, Woody74, Yasutamely, Zanzibar79, Zinder, Zman




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avatarsupporter
sent on November 06, 2017 (22:15) | This comment has been automatically translated (show/hide original)

To say nothing crazy

avatarjunior
sent on November 06, 2017 (23:48) | This comment has been automatically translated (show/hide original)

Bravo Stefano,
good job,
you're reinterpreting astronomical photography,
in a very positive way ;-)

avatarsupporter
sent on November 07, 2017 (1:04) | This comment has been automatically translated (show/hide original)

Stefano, just for curiosity, but seeing how you are used to pulling the invisible even from crazy objects, what effect does it look naked in a 30-inch drone? Is there no addiction to the extraordinary colors and contrasts of photos like yours? Can you feel some color or are we still under the threshold? In short, the sky with naked eye for large field objects still charms on a telescope so or are we now dependent on electronics?

avatarsenior
sent on November 07, 2017 (6:12) | This comment has been automatically translated (show/hide original)

Thanks Fabritaz, Bares, Marcophotographer FloGse!

avatarsenior
sent on November 07, 2017 (6:24)


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]


Guardare in un dobson da 30 pollici è uno spettacolo!

Per prima cosa c'è la suggestione di guardare in un bestione molto più grosso di teMrGreen
Poi c'è la bellezza di alcuni oggetti che non può essere trasposta in una fotografia. Mi spiego meglio

L'occhio non percepisce le zone deboli degli oggetti lontani, le galassiette mostrano pochissimo della loro struttura, e le poche galassione vicine non si apprezzano perché troppo estese (Andromeda si guarda al binocolo in un telescopio è troppo vasta!)

In fotografia però poi non si riesce a rendere le differenze di luminosità vere degli oggetti, si è costretti a comprimere tantissimo la dinamica del soggetto fotografato per visualizzare a monitor cose molto deboli e molto luminose assieme.
Tra i toni medi e le alte luci a monitor ci sarà un x2 sulla luminosità, per limiti dei monitor. Nella realtà non è così l'occhio vede comunque nello stesso campo visivo parti brillantissime e parti deboli, con differenze di luce anche di due o tre ordini di grandezza.

Quindi se si osservano oggetti "luminosi" (ad esempio M42, la dumbell, M57, la velo, la laguna... etc) si vedono tantissime sfumature che non possono esser rese oggi con una fotografia
è una esperienza strana, complementare alla fotografia
Ti sembra di cadere dentro alle volute di gas delle nebulose, è affascinante

Se poi si guardano i globulari.. è affascinante, tutte quelle stelle, con un telescopio grande tantissime sono risolte, le vedi eppure non ti riesci a render conto di quante siano davvero.
M13 fa impressione! chissà come deve essere omega centauri che è moolto più grande

Ci sono alcuni oggetti su cui il telescopio più grande fa poca differenza, altri sui quali ti si apre un mondo. I globulari sono uno di questi, sotto i 40cm di apertura non ti danno l'idea di quel che vedi con telescopi più grandi




avatarsenior
sent on November 07, 2017 (6:30)


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]


Per quanto riguarda il colore il discorso è complesso, perché come sai per attivare i recettori sensibili ai colori nei nostri occhi ci vuole tanta luce, altrimenti vediamo in bianco e nero, infatti mediamente guardando in un telescopio galassie e nebulose vediamo il BN

Inoltre la sensibilità al colore varia tanto da persona a persona, e anche da occhio a occhio (se mai avrete la possibilità vi invito a fare un esperimento: guardando attraverso un filtro Ha a banda strettissima io vedo con un occhio un colore rosso profondissimo che non saprei come descrivere, mentre con l'altro occhio mi sembra più rosso-arancione, più normale diciamo)


Ti posso dire che su alcuni oggetti brillanti varie persone riescono a distinguere i colori, anche se non in maniera unanime.
Ad esempio sulla nebulosa di orione quella "costola" rossa che sta attorno alla parte centrale dove c'è il trapezio in molti la riescono a percepire rosa, sebbene qualcuno non la veda colorata.
M57 tanti la vedono tendente al verdino

Son tutti colori poco saturi ma molto luminosi, anche qua irriproducibile a monitor

Le stelle doppie poi sono molto particolari, si vedono dei contrasti colore esagerati (ad esempio blu e arancione saturissimi su Albireo), i blu spettacolari delle pleiadi, blu anrancio e rosso di 18, 19 ed R Leonis etc etc


avatarsupporter
sent on November 07, 2017 (9:03) | This comment has been automatically translated (show/hide original)

Cabbage, you made me want to try. :-or
I did not think about the dynamics, but you are right: that is definitely a point in favor of the eye.
Thanks for the effective description.

avatarsenior
sent on November 07, 2017 (10:31) | This comment has been automatically translated (show/hide original)

M57 so many see her tending to the green


I confirm it ... even if it only happened once, in a particularly favorable night for seeing and transparency and through a 30cm SC

Stefano compliments for your astronomical gallery ... the photos are really astronomical, in all senses! :-)
and very often, especially for those who do not practice field, visual or photographic observation, it is very difficult to realize the hard work that is behind such results ... really good!

avatarsenior
sent on November 07, 2017 (12:34) | This comment has been automatically translated (show/hide original)

: -o: -o Wooo: -o

avatarsenior
sent on November 07, 2017 (13:32) | This comment has been automatically translated (show/hide original)

Thank you David!
You are right, to do astronomical photography, it takes so much patience, for a photo you spend so much time


Thank you

avatarjunior
sent on November 07, 2017 (18:57) | This comment has been automatically translated (show/hide original)

There are no words. .. :-or

avatarsenior
sent on November 07, 2017 (23:01) | This comment has been automatically translated (show/hide original)

a wonderful show !! : -o: -o
thank you for giving us these wonderful pictures and in-depth explanations .... stellar compliments! ;-)

avatarsenior
sent on November 08, 2017 (8:08) | This comment has been automatically translated (show/hide original)

Thank you for your compliments!

avatarsenior
sent on November 08, 2017 (11:08) | This comment has been automatically translated (show/hide original)

Crazy Cresent ... crazy level of shooting and processing! : -o compliments.

One question: what would be the nebulous (?) Dark in the center? Bok's globes?

avatarsenior
sent on November 08, 2017 (19:18) | This comment has been automatically translated (show/hide original)

thanks slashleo

Sincerely I would not know
I'm sure it's not an artifact as you can see from the original Ha, but I do not think it's a bok bark.
But I do not know what it is.

avatarsenior
sent on November 10, 2017 (15:10) | This comment has been automatically translated (show/hide original)

It's one of the few "big" photos of Crescent I've seen lately, so remarkable.

I appreciate the scientific explanation inherent in the photo.
Beppe

avatarsenior
sent on November 10, 2017 (17:27) | This comment has been automatically translated (show/hide original)

Hi Beppe, thank you

as you rightly say, there are not many shots that fill the frame; the crescent is still "small", and the part of OIII is really weak

user44198
avatar
sent on November 10, 2017 (17:46) | This comment has been automatically translated (show/hide original)

You've masterfully dictated it to you ... compliment Stefano .... well deserves the EP

avatarsenior
sent on November 10, 2017 (20:12) | This comment has been automatically translated (show/hide original)

Thanks Vega!
Maybe!!

avatarsenior
sent on November 15, 2017 (14:37) | This comment has been translated

What a spectacular photo!


RCE Foto

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