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  1. Galleries
  2. »
  3. Astrophotography
  4. » Orion and Horse head nebula

 
Orion and Horse head nebula...

Milkyway3

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Orion and Horse head nebula sent on December 20, 2017 (9:44) by Marcophotographer. 17 comments, 1024 views. [retina]

at 130mm, Posa B f/2.8, ISO 1000, tripod. Parco Nazionale Abruzzo, Lazio e Molise, Italy.

esplorando il cielo notturno...questa volta Orione e la testa di Cavallo.. foto inseguita con lo star adventurer



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avatarsenior
sent on December 20, 2017 (12:03) | This comment has been automatically translated (show/hide original)

Marco, great shot and I also make a technical comment if I can: stiazzi

avatarsupporter
sent on December 20, 2017 (12:44) | This comment has been translated

Thanks a lot!

avatarsenior
sent on December 20, 2017 (16:50) | This comment has been automatically translated (show/hide original)

Great, have you cropped?

user59947
avatar
sent on December 20, 2017 (17:36) | This comment has been automatically translated (show/hide original)

Gorgeous
Compliments

avatarsenior
sent on December 20, 2017 (18:53) | This comment has been automatically translated (show/hide original)

Not bad, you can also see M78 and the Barnard's Loop.
Surely there are good potential, you just have to integrate more ;-)

avatarsupporter
sent on December 20, 2017 (20:23) | This comment has been automatically translated (show/hide original)

Thank you so much ... well I repeat I'm at '.. this is the second shot .. I must say I'm thrilled
Goldrake of I made a millimeter crop because I had sources of lights at the edges due to light pollution ..

avatarsenior
sent on December 21, 2017 (7:36) | This comment has been automatically translated (show/hide original)

if it were not for the alignment (which I think gives me serious problems) I would have already bought a tracker ...
reading here and the mountains the pursuer aligns with the polar star and mounts the car? to find the polar uses applications?

avatarsupporter
sent on December 21, 2017 (8:12) | This comment has been automatically translated (show/hide original)

You do it exactly like that .. first the tracker and then the SLR .. initially I used an app that I use to find nebulae etc .. it's called star walk 2

avatarsenior
sent on December 21, 2017 (9:43) | This comment has been automatically translated (show/hide original)

Ok I ask you because I plan to make a wide shot of the same area and I'm undecided about which lens mount, I would try the Canon 100 mm macro that becomes me a 160 or 70-200 and stay at 70 which becomes a 110 mm around ... I am undecided but I think I will opt for the 70-200 mm

avatarsenior
sent on December 21, 2017 (9:57) | This comment has been automatically translated (show/hide original)

ok ... now I attack the monkey and stop living: I apologize to Marco if I ask questions on his page but since we are on topic and most likely many fans stop to see his picture, I can get more comprehensive answers: first Do you ask a pursuer to try and spend very little? 2) up to how long to exp. at low ISO can I use it without the stars not crawling? 3) what focal would it be appropriate to use? 4) of course, only stars are photographed otherwise the first floor is moved ... 5) having a small easel (maximum capacity up to 3 kg if I remember correctly) there is everything? I started off with mk 4 and 24/105

avatarsenior
sent on December 21, 2017 (10:22)


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]


Qui la faccenda si complicaMrGreen:

Dico la mia

" un 'inseguitore per provare e spendere veramente poco ?"
Questo è quello al costo più basso lo trovi sul sito di Fattinnanzi lo ha brevettato lui si fatica a trovarlo credo che porti sui 2kg quindi se poi ti piglia la scimmia e vuoi aumentare montando ottiche piu pesanti sei limitato, questo credo costi sui 200€:
www.cristianfattinnanzi.it/

" fino a quanto tempo di esp. a bassi iso lo posso usare senza che le stelle non striscino?"
Difficile a dirsi, diciamo che se lo strumento è ben collimato e fai uno stazionamento sulla polare preciso, riesci a raggiungere su un 300 mm circa 2-3 minuti, con ottiche più corte il tempo aumenta e poi dipende dal soggetto in che punto del cielo si trova, se vicino alla polare il tempo aumenta più è basso sull'orizzonte più si accorcia per gli ISO si tende a lavorare sui 800 - 1600 ISO.

" che focale sarebbe opportuno usare ?"
Quella che ti piace, nel caso della foto in oggetto si è usato un 130 mm che tale è rimasto, se avesse usato i 130 mm su un apsc il 130 diventava un 200 mm, più la focale è corta più riesci ad allargare la quantità di oggetti che riesci ad inserire, la zona di Orione è molto ricca e si presta bene alle focali corte, ci sono molte nebulose da riprendere, la ripresa a largo campo puo essere un ottima scelta, non ti impone l'utilizzo di zoom pesanti la struttura si alleggerisce ed è meno critico il puntamento.

" ovviamente si fotografa solo stelle altrimenti il primo piano viene mosso...5"
Si fa uno scatto per il fondo e poi uno o piu scatti per il cielo se vuoi fare una foto ambientata.

" avendo un cavalletto da poco (portata max fino a 3 kg se ricordo bene) ci sta tutto ? di base partirei con la mk 4 e il 24/105"
Sarai sui 2 kg di peso circa con il cavalletto da 3 kg di portata puoi fare dei larghi campi ma ricorda in questo tipo di fotografia occorre integrare parecchio vari scatti che poi con software tipo DSS unisci se vedi sulla mia galleria ci sono 2 scatti di Orione il primo senza integrazione singolo scatto da 5 minuti l'altro sono 40 scatti con vari tempi di posa per tirare fuori il meglio, Orione è un soggetto semplice ma ci sono soggetti tipo la nebulosa testa di cavallo che se non integri ci tiri fuori poco.








avatarsupporter
sent on December 21, 2017 (10:28) | This comment has been automatically translated (show/hide original)

Goldrake go quiet with the 70-200 .. I this photo I made it right with this lens ..

avatarsenior
sent on December 21, 2017 (10:53) | This comment has been automatically translated (show/hide original)

Thanks Marco, let's see if tomorrow holds the time I try also because the moon is growing, available there is Friday and Saturday then the hours become absurd to shoot.

avatarsupporter
sent on December 21, 2017 (11:36) | This comment has been automatically translated (show/hide original)

Esatramente. In fact I would like to try to take something else in these 2 evenings

avatarsenior
sent on December 21, 2017 (13:12) | This comment has been automatically translated (show/hide original)

Thanks goldrake, interesting explanations I start looking then if I can bother you for some advice you make me a pleasure

avatarsenior
sent on December 21, 2017 (13:28) | This comment has been automatically translated (show/hide original)

beautiful! ciaooo wishes!

avatarsupporter
sent on December 21, 2017 (15:18) | This comment has been automatically translated (show/hide original)

Thank you .. welcome to you


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