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| sent on October 13, 2020 (21:11) | This comment has been automatically translated (show/hide original)
you have the sky bottom a little dark
I think that with stretching you can do a little more
The chase is good
Continue so ;-) hai il fondo cielo un po' scuro
penso che con lo stretching si possa fare un poco di più
L'inseguimento è buono
Continua così  |
| sent on October 14, 2020 (12:25) | This comment has been automatically translated (show/hide original)
Thank you Stefano.... I'm new to digital astro imaging techniques, I'm looking for criticism and advice.
WWWWWWWWWW) do you mean "stretching"?
For processing I'm using Sequator and Photoshop but if you know something better or more complete I accept advice with open arms, as long as it's free or not crazy.
I also run the Flat and Bias files, which I have not yet found a way to perform correctly and maybe a few more dark frames, as well as an apochromatic... :-D Grazie Stefano....sono nuovo alle tecniche di Astro imaging digitale, cerco critiche e consigli.
Cosa intendi per "stretching"?
Per l'elaborazione sto usando Sequator e Photoshop ma se conosci qualcosa di meglio o più completo accetto consigli a braccia aperte, purchè sia gratuito o non costi una follia.
Mancano anche i file Flat e Bias, che non ho ancora trovato il modo di eseguire correttamente e magari qualche Dark frame in più, oltre che un apocromatico... |
| sent on October 14, 2020 (18:34) | This comment has been automatically translated (show/hide original)
I use Pixinsight but it's not cheap
Free you can try DSS that with reflexes has always worked well
For the stretch, the data of a raw file is linear, the dynamics should be compressed to display well on screen or print both the light and very bright parts.
After adding together various images you can use a mathematical function that does this
The typical are DDP, ArcSinH, logarithmic scale, and log (square root)
Oly you don't have to do it "by hand", astronomical software does it for you (even DSS does it)
Io uso Pixinsight ma non è economico
Free puoi provare DSS che con le reflex ha sempre funzionato bene
Per quanto riguarda lo stretching, i dati di un file raw sono lineari, la dinamica va compressa per visualizzare bene a schermo o stampa sia le parti poco luminose sia quelle molto luminose.
Dopo aver sommato assieme varie immagini si può usare una funzione matematica che appunto faccia questo
Le tipiche sono DDP, ArcSinH, logarithmic scale, and log (square root)
Ovviamente non lo devi fare "a mano", i software astronomici lo fanno per te (anche DSS lo fa)
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| sent on October 15, 2020 (0:41) | This comment has been automatically translated (show/hide original)
I thank you infinitely for the advice and time you have given me. I'll try to improve processing in the meantime with your advice.
Infinitethanks Ti ringrazio infinitamente per i consigli e il tempo che mi hai dedicato. Proverò a migliorare l'elaborazione intanto con i tuoi consigli.
Grazie infinite |
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