RCE Foto






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  1. Galleries
  2. »
  3. Astrophotography
  4. » Great Orion Nebula

 
Great Orion Nebula...

Il cielo sopra di noi

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Great Orion Nebula sent on March 26, 2017 (18:40) by Emanuele Towers. 6 comments, 1185 views.

30 sec ISO 1600,

Il mio primissimo approccio al cielo profondo eseguito con tripletto Apo Tecnosky 80/480mm su montatura SkyWatcher EQ5 SynScan. Solo inseguimento Go-To, no autoguida. Unione di una trentina di scatti più relativi dark/flat con l'ausilio del programma DeepSkyStacker. Lungi dall'essere uno scatto perfetto ma sono comunque piuttosto soddisfatto.



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avatarsupporter
sent on March 27, 2017 (7:48) | This comment has been translated

Nice!

avatarsenior
sent on March 28, 2017 (0:06) | This comment has been translated

Very nice!

avatarjunior
sent on March 30, 2017 (1:32) | This comment has been automatically translated (show/hide original)

Beautiful!! very good!! soon I hope to do anc'io, "hope" ...

avatarsenior
sent on March 30, 2017 (10:30) | This comment has been automatically translated (show/hide original)

Thank you for the valuable comments, too kind! : - |

Crude @Walter: Thanks! It is not at all a difficult task indeed and as you see I have not used sci-fi equipment. Obviously it needs a lot of patience and a sky rather dark but the effort will still be rewarded. This is a test we say, next year we try again but with guider and ccd and that will pain them: D

avatarjunior
sent on April 09, 2017 (9:06) | This comment has been automatically translated (show/hide original)

gorgeous. I ask the place from which you have taken? you believe with your own equipment you can get something from a balcony of a palace in the city? You did it on fire dretto? or not ? thank you.

avatarsenior
sent on April 09, 2017 (13:40)


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]


Ciao Dan55, grazie di cuore per i complimenti! Premetto che sono ancora piuttosto neofita quindi prendi con le pinze ciò che ti dico MrGreen Dunque, l'ho scattata nel giardinetto fuori casa, in una zona collinare in prov. di Lecco dove, seppur l'inquinamento luminoso non è assente (luci moleste dei vicini, lampioni ecc) ho un cielo (almeno, la porzione visibile) abbastanza scuro perchè lontano dalle luci della città. Ho collegato la Nikon al posto dell'oculare con il classico anello T2 e ho sfruttato il sistema go-to Synscan della montatura EQ5 (non autoguida). In questo modo per oggetti relativamente luminosi (Orione, Andromeda, Pleiadi..) bastano una trentina di secondi (massimo 1 minuto per avere stelle ancora puntiformi) a 1600 ISO (ma volendo ci si può spingere oltre) con una reflex entry come la mia per ottenere buoni risultati e con rumore non eccessivo comunque attenuato dai dark e da un po' di post produzione. Non so dirti però nel tuo caso cosa riusciresti ad ottenere, bisognerebbe quantificare il tipo di inquinamento. In questi casi, per riprese in città, in genere viene usato ccd con filtro h-alpha per 'compensare'. Comunque nulla ti vieta di portarti tutta l'attrezzatura al di fuori, ed è la cosa che farò io il prossimo inverno Sorriso



RCE Foto

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