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| sent on January 11, 2015 (18:31) | This comment has been automatically translated (show/hide original)
The image would be interesting but it is too dark, and you vignetting, chromatic as well aberr L'immagine sarebbe interessante ma è troppo scura, e hai vignettatura, nonchè aberr cromatica |
| sent on January 11, 2015 (18:43) | This comment has been automatically translated (show/hide original)
Hello Sunblack,
vignetting is to use objective TA, ie F1.8. Actually this lens in my opinion gives the best at f2.8 but have not been able to implement the guiding so I preferred the speed reduction of vignetting. Same goes for chromatic aberration, when I can use the guider should eliminate shooting at f2.8. The sky is dark because I tried to roll it in post in a way that highlighted the comet at the most.
For if you have experience of guiding via webcam? I opened a thread for info on Ascom driver but no one has responded.
Thanks for the ride and greetings Ciao Sunblack,
la vignettatura viene dall'utilizzo dell'obiettivo a TA, cioè f1,8. In realtà questa lente a mio avviso dà il meglio a f2,8 ma non sono ancora riuscito a implementare l'autoguida per cui ho preferito la velocità alla riduzione della vignettatura. Stesso discorso per l'aberrazione cromatica, quando riuscirò a usare l'autoguida dovrei eliminarla scattando a f2,8. Il cielo è scuro in quanto ho cercato di spianarlo in post in un modo che evidenziasse la cometa al massimo.
Per caso hai esperienza di autoguida tramite webcam? Ho aperto un thread per avere info sui driver Ascom ma nessuno ha ancora risposto.
Grazie del passaggio e saluti |
| sent on January 11, 2015 (20:32) | This comment has been automatically translated (show/hide original)
Very beautiful, the bright star at the bottom left is rigel? Molto bella, la stella luminosa in basso a sinistra è rigel? |
| sent on January 11, 2015 (23:46) | This comment has been automatically translated (show/hide original)
Hello Alexander,
the bright star Aldebaran is. Near Rigel has passed a few days ago, the comet moves rather quickly. Thanks for the compliments and greetings!
Alessandro Ciao Alessandro,
la stella luminosa è Aldebaran. Vicino a Rigel è passata qualche giorno fa, la cometa si sposta piuttosto rapidamente. Grazie per i complimenti e saluti!
Alessandro |
| sent on January 12, 2015 (21:08) | This comment has been automatically translated (show/hide original)
I like a lot, makes the very idea of ??the movement of the comet.
then vignetting, and chromatic aberration are diverted from the comet!
hello A me piace tantissimo, rende proprio l'idea del movimento della cometa.
poi la vignettatura ,e l'aberrazione cromatica vengono distolte dalla cometa!
ciao |
| sent on January 12, 2015 (21:36) | This comment has been automatically translated (show/hide original)
Hello Andrea,
through the comments, you are very kind! In truth I had not even noticed the chromatic aberration at first, however, I always try to take the technical comments as cues to improve:-)
However, comets are truly magnificent as elusive, for what always give satisfaction!
Thanks again and greetings
ps I had a look at your gallery of astrophoto, which also had already visited, and I take this opportunity to reciprocate the compliments!
Alessandro Ciao Andrea,
grazie del commento, sei molto gentile! In verità nemmeno io avevo notato l'aberrazione cromatica sulle prime, comunque cerco sempre di prendere le osservazioni tecniche come spunti per migliorare 
Ad ogni modo, le comete sono veramente magnifiche quanto sfuggenti, per quello danno sempre soddisfazione!
Grazie ancora e saluti
p.s. ho dato un'occhiata alla tua gallery di astrofoto, che peraltro avevo già visitato, e ne approfitto per ricambiare i complimenti!
Alessandro |
| sent on January 13, 2015 (12:25) | This comment has been automatically translated (show/hide original)
no I do not have experience of guiding .... no non ho esperienze di autoguida.... |
| sent on January 15, 2015 (18:14) | This comment has been automatically translated (show/hide original)
I do not know the name of the star, but the sky is beautiful.
Congratulations hello catherine:-) Io non conosco il nome delle stelle, ma questo cielo è bellissimo.
Complimenti ciao caterina |
| sent on January 15, 2015 (19:19) | This comment has been automatically translated (show/hide original)
I like a casino, beautiful!
Greetings Sergio. A me piace un casino,bellissima!
Un saluto Sergio. |
| sent on January 16, 2015 (13:05) | This comment has been automatically translated (show/hide original)
Hello Catherine, hello Sergio,
to tell the truth even I know thoroughly the sky, by the way I like to think that each one of those points of light corresponds to another world. Admire the grandeur of the universe under clear skies is a wonderful feeling:-)
Thanks for the ride and greetings!
Alessandro Ciao Caterina, ciao Sergio,
a dire il vero nemmeno io conosco a fondo il cielo, ad ogni modo mi piace pensare che ad ognuno di quei punti luminosi corrisponda un altro mondo. Ammirare la grandezza dell'universo sotto cieli puliti è una bellissima sensazione
Grazie del passaggio e saluti!
Alessandro |
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