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  1. Galleries
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  4. » The Great Orion Nebula

 
The Great Orion Nebula...

Astrofotografia II

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The Great Orion Nebula sent on December 21, 2012 (15:35) by Astrogallery. 34 comments, 5055 views.

Posa B f/5.0, ISO 800, tripod.

Canon 450D (mod. Baader)+ Newton GSO 150/750 su HEQ5 PRO; Somma di 20 scatti da 360 sec a 800ISO + 15 darks + 10 flats + 5 scatti da 60 sec a 800ISO e 5 scatti da 15 sec a 400ISO ( gli scatti con esposizioni più corte servono per non saturare il nucleo che è molto luminoso). Allineamento e calibrazione con il software DSS (deep sky stacker) e elaborazione con Phostoshop CS6.



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avatarsenior
sent on December 21, 2012 (15:50)


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Bellissima!

Bellissima!

avatarsenior
sent on December 21, 2012 (15:57)


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Anche se non è il mio campo, la apprezzo da morire. Complimenti

Although it is not my field, I appreciate so much. Compliments

avatarjunior
sent on December 21, 2012 (16:10)


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Grazie!

Thank you!

avatarsenior
sent on December 21, 2012 (16:36)


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splendido scattoSorriso forse manca qualche posa più breve per la zona del trapezio.. ma l'immagine è molto bella

beautiful shot :-) perhaps missing some shorter posing for the area of ??the trapezoid .. but the picture is very beautiful

user15434
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sent on December 21, 2012 (17:47)


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Ciao Astrogallery,
l'immagine di M42 è molto bella. Peccato per la regione centrale bruciata. Potresti o riprendere più pose veloci come consigliato da Canopo70 oppure se usi IRIS fare lo stretching dinamico o (sempre con IRIS) sommare (con HDR o Photoshop) più pose con tagli diversi dell'istogramma.
Non smetterò mai di dirti che il tuo Newton è una favola MrGreen !!!
Un salutone, ancora complimenti per lo scatto e buone feste,
Davide

Hello Astrogallery,
the image of M42 is very beautiful. Too bad for the central region burned. Or you may take multiple poses fast as recommended by Canopo70 or if you use IRIS to stretching or dynamic (always with IRIS) add (with HDR or Photoshop) more poses with different cuts of the histogram.
I will never stop to tell you that your Newton is a blast:-D!
A salutone again congratulations for the shot and Happy Holidays,
David

avatarsenior
sent on December 21, 2012 (17:55)


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Spettacolare, bravissimo....io non vedo alte luci, abbondantemente oltre il limite!!!Eeeek!!!

Spectacular, very good .... I do not see highlights, plenty of over the limit! Wow!

avatarjunior
sent on December 21, 2012 (19:16)


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molto bella complimenti, cercherei di ridurre il rumore e recuperare il trapezio come hanno già sugerito ;-)
mai provato Iris? Confuso

very nice compliments, I would try to reduce the noise and recover the trapeze as they have sugerito ;-)
never tried Iris? : Fconfuso:

avatarsenior
sent on December 21, 2012 (22:32)


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incredibile

incredible

avatarsenior
sent on December 21, 2012 (22:54)


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Davvero tridimensionale questa ripresa! Che dire...ottimo lavoro!

Truly three-dimensional shooting this! What can I say ... great job!

avatarjunior
sent on December 22, 2012 (13:36)


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posso chiederti 2 cose?
1)che correttore di coma utilizzi?
2)che sistema di guida usi?

Grazie, Fabrizio.

I ask two things?
1) use a coma corrector that?
2) that the guidance system do you use?

Thank you, Fabrizio.

avatarsenior
sent on December 22, 2012 (19:09)


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Bellisima.
posso chiederti un grosso favore?
puoi postare un singlo frame ( da 360 sec a 800 iso) senza elaborazione?
quando scatto io oltre a un minutoe mezzo le foto mi diventano tutte rumorosissime con un colore rosso.
non so se è normale.
ciao

Bellisima.
can I ask you a big favor?
You can post a normal single frame (from 360 s to 800 iso) without processing?
when I snap over to a minutoe half the photos I all become very noisy with a red color.
I do not know if it is normal.
hello

avatarjunior
sent on December 22, 2012 (23:56)


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Andrea temo tu abbia seri problemi di inquinamento luminoso, prova a fare qualche scatto in posti bui davvero, magari in montagna, in buone condizioni a f5 scatto con 1600 iso e 10/12 minuti di posa Cool

Andrea I'm afraid you have serious problems of light pollution, try to do some shooting in dark places really, maybe in the mountains, in good condition at f5 shot with ISO 1600 and 10/12 minutes of exposure 8-)

avatarjunior
sent on December 23, 2012 (13:40)


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Grazie a tutti per i commenti! Auguri e buone feste a tutti!!
Vedo di rispondere in ordine.
@Canopo70

Si ho provato a fare le pose brevi, ma dovevo farle ancora più corte (roba tipo da 100ISO per il nucleo) me ne sono accorto in fase di elaborazione. Però tuttosommato il risultato finale mi piace anche se non è bene equilibrata l'esposizione al centro rispetto ai margini della nebulosa.

@Astrotrezzi
Consigli accettati, grazie mille! Cmq dal mio monitor non la vedo bruciata la parte centrale.
Ho usato solo photoshop per l'elaborazione perchè lo so usare meglio rispetto agli altri. Ho seguito la guida di renzo del rosso per non saturare il nucleo. Iris purtroppo l'ho usato pochissime volte, e dovrei dedicarci più tempo per impare ad usarlo. Adesso di tempo ne ho pochissimo invece..Triste
Si sono molto affezionato al mio newton! Si comporta molto bene!!Sorriso

@_elio_
no come ho detto sopra non lo so usare Iris. Un giorno mi ci metto e lo rivaluterò magari..

Thank you all for the comments! Best wishes and happy holidays to all!
I respond in order.
@ Canopo70

We've tried to make short exposures, but I had to make them even shorter (by type stuff 100iso per core) I've noticed under development. But the end result tuttosommato I like even if it is well balanced exposure in the center than at the edge of the nebula.

@ Astrotrezzi
Tips accepted, thank you very much! Anyway from my monitor does not see it burnt the center.
I only used photoshop for processing because I know better use than the others. I followed the guidance of Lorenzo of red to not saturate the core. Iris unfortunately I have used very few times, and I should devote more time to impare to use. Now I have very little time instead .. :-(
They are very attached to my newton! It performs very well! :-)

@ _elio_
no as I said above I do not know how to use Iris. One day I'll put rivaluterò and maybe ..

avatarjunior
sent on December 23, 2012 (13:47)


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@Fabercom
1) Utilizzo il baader mpcc. Corregge molto bene il mio f5 fino ai bordi. Un'ottimo acquisto, consigliatissimo.
2) Per la guida uso un economico rifratorre SW 70/500 con una magzero mz5 (quella monocromatica). Il rifrattore ha un fuocheggiatore molto ballerino quindi bisogna fissare bene le viti di bloccaggio. A volte stringendole troppo cambia anche di poco la messa a fuoco. L'ho preso per via del suo prezzo basso. Cmq fa il suo lavoro, anche se adesso dovendo ripensare ad un primo acquisto comprerei qualcosa di più solido e preciso. Come programma uso il collaodato e facile phd. Mi son sempre trovato benissimo. Con questo sistema arrivo a 10 min di posa singola se staziono bene il telescopio.

@ Fabercom
1) Use the baader mpcc. Corrects very well my f5 to the edges. A very good purchase, highly recommended.
2) For guidance on using an inexpensive rifratorre SW 70/500 with a MagZero MZ5 (or monochrome). The refractor focuser has a very good dancer so you have to fix the locking screws. Sometimes squeezing too much change even slightly the focus. I got it because of its low price. Anyway it does its job, though now having to rethink a first purchase buy something more solid and precise. How to use the program collaodato and easy phd. I have always had a great time. With this system arrive 10 minutes of laying individual stationed well if the telescope.

avatarjunior
sent on December 23, 2012 (13:59)


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@Chiodi.andrea
Confermo i problemi di inquinamento luminoso descritti nella risposta di _elio_.
Anch'io dal mio sito ho problemi di inquinamento luminoso. Per adesso me ne frego, nel senso che non ho ancora acquistato un filtro cls. Adesso un mio amico me ne ha prestato uno, ma non ho ancora avuto modo di provarlo. Sicuramente si migliora tanto la situzione con un filtro del genere. In rete puoi trovare diversi confronti con e senza filtro.

Ecco un mio scatto da 6 minuti a 800ISO (ridotto a 2000px):




Presenta problemi di inquinamento luminoso, però per adesso cerco di recuparare il più possibile tramite photoshop.
Ad ogni modo la soluzione migliore sarebbe spostarsi sotto cieli più bui. Ma non sempre è possibile purtroppo.

@ Chiodi.andrea
Confirm the problems of light pollution described in the response of _elio_.
Myself from my site I have a problem of light pollution. For now I do not care in the sense that I have not yet purchased a concrete filter. Now a friend of mine lent me one, but I have not had to try it. Surely this increases both situational with a filter like that. On the web you can find several comparisons with and without filter.

Here's my shot from 6 minutes 800ISO (reduced to 2000px):




Presents problems of light pollution, but for now I try to recuparare as possible through photoshop.
In any case, the best solution would move under skiesblinds. But it is not always possible unfortunately.

user15434
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sent on December 23, 2012 (14:05)


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Ciao Astrogallery,
ora che ho calibrato il monitor del mio portatile non sembra poi così bruciata anche se manca qualcosa... le strutture della parte centrale sembrano poco contrastate. Se vuoi un confronto al fine di comprendere meglio quello che voglio dire, ti allego la mia M42 (ottenuta grazie ai consigli degli utenti juzani):



Ovviamente preferisco i tuoi colori ;-) ma avrò modo di rifarla con il mio mitico Newton 150mm f/5 (comprato dopo aver visto il tuo!!!)...
a presto,
Davide

Hello Astrogallery,
now that I've calibrated the monitor of my laptop does not seem so burned even if something is missing ... structures of the central part seem low contrast. If you want a comparison in order to better understand what I mean, I am attaching my M42 (obtained thanks to the advice of users juzani):



Obviously prefer your colors ;-) but I will have to do it again with my mythical Newton 150mm f / 5 (bought after seeing your!) ...
see you soon,
David

avatarjunior
sent on December 23, 2012 (14:16)


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Ciao Astrotrezzi,
capisco quello che vuoi dire. Nella parte centrale manco di dettagli rispetto alla tua. La tua è perfettamente bilanciata a livello di esposizione nel nucleo e di dettagli. Molto bella complimenti. La mia non l'ho potuta recupare bene perchè ho fatto solo scatti da 6 min, 1 min e 15 sec. Dovevo fare pose intermedie esempio 3 minuti, e poi ancora più basse per i dettagli del trapezio.
Cmq se puoi guardare l'immagine della singola esposizione da 6 min che ho postato, così ti rendi conto da dove sono partito. Anche te hai ripreso in condizioni di simile inquinamento luminoso?

Hello Astrotrezzi,
I understand what you mean. In the central part needless detail than yours. Yours is perfectly balanced exposure level in the nucleus and details. Very nice compliments. My I have not been able to recupare well because I only did shots from 6 min, 1 min and 15 sec. I had to put an intermediate such as 3 minutes, and then even lower for the details of the harness.
Anyway if you look at the image of a single exposure to 6 min I posted, so you realize where I started. Even you have taken in similar conditions of light pollution?

user612
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sent on December 23, 2012 (15:14)


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Non ne capisco nulla di questo genere di foto, ma questa è fantastica, un'immagine che lascia senza parole. Ciao

I do not understand anything of this kind of photos, but this is fantastic, which will leave one speechless. Hello

avatarjunior
sent on December 23, 2012 (15:45)


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Grazie Giorgio!

Thanks George!

user15434
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sent on December 23, 2012 (17:21)


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Ciao Astrogallery,
l'immagine da cui sono partito io era sicuramente meno inquinata della tua e questo dimostra quanto sei stato bravo a tirar fuori i colori da tutto quel rosa ;-). Io avevo fatto 9 "stop" e forse è quello che mi ha permesso di non perdere troppo nella parte centrale.
Ancora congratulazioni e non oso immaginare che capolavoro puoi tirare fuori da cieli meno inquinati Eeeek!!!!!!
Davide

Hello Astrogallery,
the picture from where I started I was certainly less polluted and this shows you how good you were to pull out the colors from all that pink ;-). I had done 9 "stop" and perhaps that is what has allowed me to not lose too much in the middle.
Congratulations again and I can not imagine that you can pull out masterpiece from less polluted skies wow!
David


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