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  1. Galleries
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  4. » starstax on Kilauea

 
starstax on Kilauea...

Hawai'i

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starstax on Kilauea sent on November 01, 2013 (9:05) by Gwbal. 2 comments, 1033 views.

, 30 sec f/2.8, ISO 100, tripod.

salve a tutti. vi propongo qst starstax fatto recentemente alle hawaii. avrei bisogno di un consiglio da parte di chi più esperto di me: qst sono l'unione di 173 scatti ( esposizione S SW purtroppo ma così è l'unica possibilità). come sapete per poter utilizzare tale programma devo trasformare i miei file raw in jpeg che poi verranno elaborati e ne risulterà un file finale jpeg. ora la foto non mi soddisfa: c'è troppo rumore etc,etc. l'unica soluzione che mi viene in mente è di modificare tutti i file raw in photoshop ( riduzione rumore+ aumento nitidezza) e poi rifare il percorso in jpeg. cosa mi consigliate? altre strade? sempre tenendo conto di poter, in un futuro, anche stampare in grande la foto. in più vorrei come al solito un vostro giudizio spassionato sulla compo della foto. grazie Ina



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avatarjunior
sent on November 07, 2013 (0:35) | This comment has been automatically translated (show/hide original)

Most of the noise that there are big artifacts in the lower part of the frame ("wake" of the fire and horizon) .. is not you being too compressed jpeg or raw conversion-final processing?
You can also use Startrail with the TIFF ... takes a little 'more, but do not do processing on multiple compressed files ... you can try ;-)
For noise I have a doubt: it is not that you have recovered the shadows too? Although f/2.8 100ISO seem a bit 'few and maybe you went from the initial images rather dark ... is only a hypothesis

avatarjunior
sent on November 16, 2013 (7:53) | This comment has been automatically translated (show/hide original)

Hello Matthew,
Sorry for the delay in the response ......
I did not do anything (just xche was a test), if not transform from raw to jpeg. Then the rest did starstax.
I seem to have realized that the settings given to the machine are quite right in wanting to have a dark sky and the caldera in the sum of the shots could also mess with me burning (since the center) and the surrounding landscape. Consider that 2 hours of exposure are multiple!

Thanks x straight out of TIFF. ;-)




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