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| sent on August 31, 2021 (11:09) | This comment has been automatically translated (show/hide original)
Beautiful photo and great visual impact Bellissima foto e di grande impatto visivo |
| sent on August 31, 2021 (11:34) | This comment has been automatically translated (show/hide original)
extraordinary. It would be interesting to see a single shot to compare with the elaborate. Congratulations as always. straordinaria. Sarebbe interessante vedere un singolo scatto da confrontare con l'elaborato. Complimenti come sempre. |
| sent on August 31, 2021 (11:39) | This comment has been automatically translated (show/hide original)
Extraordinary and amazing.....
Fout congratulations for the magnificent and demanding work
Hello
Stefano Straordinaria e stupefacente.....
Tantissimi complimenti per il magnifico e impegnativo lavoro
Ciao
Stefano |
| sent on August 31, 2021 (11:54) | This comment has been automatically translated (show/hide original)
Thank you very much to you, XFlesh, Fabio and Stearm.
@Fabio here is a single jpg photos.app.goo.gl/j7dfBEEJvDcLvjNr9
is taken at random, I do not know if it is one of the best or not.
I usually save both RAW and jpeg and this is directly a jpeg saved by the camera without some changes. But then I process the RAW and do not use the jpegs directly
ciao, Daniele Grazie mille a voi, XFlesh, Fabio e Stearm.
@Fabio eccoti qui un singolo jpg photos.app.goo.gl/j7dfBEEJvDcLvjNr9
è preso a caso, non so se sia uno dei migliori oppure no.
Di solito salvo sia RAW che jpeg e questo è direttamente un jpeg salvato dalla fotocamera senza alcune modifiche. Però poi elaboro i RAW e non uso direttamente i jpeg
ciao, Daniele |
| sent on August 31, 2021 (11:57) | This comment has been automatically translated (show/hide original)
By the way I realized that I wrote a wrong data: I used ISO 640 not 160 as I wrote in the data of the photo A proposito mi sono accorto che ho scritto un dato sbagliato: ho usato ISO 640 non 160 come ho scritto nei dati della foto |
| sent on August 31, 2021 (12:02) | This comment has been automatically translated (show/hide original)
Thank you Daniele very kind. Very interesting. greetings Grazie Daniele gentilissimo. Molto interessante. un saluto |
| sent on August 31, 2021 (12:09) | This comment has been automatically translated (show/hide original)
Thanks to you Fabio. In fact, it is amazing the amount of detail that you can pull out from single photos that apparently have little detail. I would add that an essential component of the procedure is to correct the field rotation due to the use of the altazimuth mount. The photos are taken within 5 minutes for a field rotation of about 1 degree between the first and the last photo, but this is enough to ruin the final result if you do not correct the field rotation. To do this I wrote a program that automatically rotates individual images before adding them up, using imagemagick as an engine. To calculate the correction to be applied I used the formulas discussed here: calgary.rasc.ca/field_rotation.htm Grazie a te Fabio. In effetti è stupefacente la quantità di dettaglio che si riesce a tirare fuori a partire da foto singole che apparentemente hanno poco dettaglio. Aggiungo che una componente essenziale della procedura è correggere la rotazione di campo dovuta all'uso della montatura altazimutale. Le foto sono prese nel giro di 5 minuti per una rotazione di campo di circa 1 grado tra la prima e l'ultima foto, ma questo basta a rovinare il risultato finale se non si corregge la rotazione di campo. Per fare ciò ho scritto un programma che automaticamente ruota le singole immagini prima di sommarle, usando come motore imagemagick. Per calcolare la correzione da applicare ho utilizzato le formule discusse qui: calgary.rasc.ca/field_rotation.htm |
| sent on August 31, 2021 (13:55) | This comment has been automatically translated (show/hide original)
Magniloquence of creation
E genius to show it to us Magniloquenza del creato
E genio per farcela vedere |
| sent on August 31, 2021 (14:22) | This comment has been automatically translated (show/hide original)
Thank you so much Simone, really kind! Grazie mille Simone, troppo gentile! |
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