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  1. Galleries
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  4. » The Sun today March 15, 2012

 
The Sun today March 15, 2012...

Astrofotografia

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The Sun today March 15, 2012 sent on March 15, 2012 (20:30) by Mario54. 4 comments, 1064 views.

1/30 f/11.0, ISO 320, tripod.

Foto effettuata con telescopio Meade ETX 90 con filtro solare



1 person like it: Medri Silverio


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avatarjunior
sent on March 16, 2012 (20:47)


This comment is too long to be automatically translated, so it will be shown in its original language (Italian)  

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E' un buon punto di partenza. Sullo sfondo si fedono degli aloni ed anche il rumore. il consiglio che si sento di darti e di fare 50 foto da mediare su cui poi spingere la maschera di contrasto. vedrai che ti prenderai delle soddisfazioni. Forse potevi migliorare la messa a fuoco sulla macchia sfruttando il live view al massimo.
ciao


It 'a good starting point. In the background you fedono halos and noise too. the advice that you feel to give and to 50 photos to mediate on which then push the unsharp mask. you'll see that you take satisfaction. Maybe you could improve the focus on the stain using the live view at maximum.
hello

avatarjunior
sent on March 17, 2012 (16:20)


This comment is too long to be automatically translated, so it will be shown in its original language (Italian)  

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Ildiora ti ringrazio per i tuoi suggerimenti, gli aloni di cui parli potrebbero essere determinati dal filtro solare utilizzato che è vecchio;forse quella che potrebbe sembrare una scarsa messa a fuoco in reatà potrebbe essere un leggero mosso, infatti questo telescopio non è motorizzato.Appena mi arriverà il filtro per l'ETX 125 farò nuove prove.Ciao Mario

Ildiora thank you for your tips, halos are talking about may be determined by the sunscreen used is old, perhaps what might seem a little focus in Reata may be a slight blur, in fact, this telescope is not motorizzato.Appena I will reach the filter for ETX 125 new'll prove.Ciao Mario

avatarjunior
sent on March 17, 2012 (18:05)


This comment is too long to be automatically translated, so it will be shown in its original language (Italian)  

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non so se è il filtro ma giocando ccon i livelli potresti spostare il punto di nero ed eliminare il rumore e l'alone.
Io ho un telescopio che, usato di giorno, non è allineato ma scattando a 100 iso e 1/800 non credo che ci siano problemi di mosso.
Il mio telescopio è aperto a 6.7.
ciao e buon sole attendo nuove foto!!!


I do not know if it is the filter, but playing ccon levels you move the black point and eliminate the noise and the halo.
I have a telescope that used during the day, is not aligned but shooting at ISO 100 and 1/800 I do not think there are problems of rough.
My telescope is open to 6.7.
hello and good sun await new photos!

avatarsenior
sent on March 22, 2012 (22:25)


This comment is too long to be automatically translated, so it will be shown in its original language (Italian)  

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Non si capisce se è mosso o messa a fuoco imprecisa, ci aggiungo che potrebbe anche essere un po' di cattivo seeing, sul Sole il seeing è ancora più pestifero che nelle immagini lunari e planetarie. Che tipo di filtro hai usato? Per il filtro, se devi cambiarlo, ti consiglio l'Astrosolar densità 3.8, che è studiato apposta per la foto e lascia passare un po' più di luce. Così puoi accorciare le pose e i problemi di micromosso e seeing si limitano alquanto. Io mi sono presa dei fogli in formato A4 da cui ho ricavato un bel filtro a tutta apertura per il mio rifrattore 150 mm e con i ritagli ci ho fatto i filtri per i cercatori e per altri due telescopi più piccoli e vari occhialini da eclisse. Mi pare che un foglio costasse una 30ina di euro, non so ora i prezzi, ma non credo sia molto costoso.

un saluto

Chiara


It is not clear if it is moved or focus inaccurate, we would add that it could also be a bit 'of bad seeing, seeing the Sun is even more obnoxious than in lunar and planetary images. What kind of filter did you use? For the filter, if you have to change it, I suggest the Astrosolar density 3.8, which is designed specifically for the photo and lets a little 'more light. So you can shorten the poses and the problems of shake and seeing quite limited. I've taken the sheets in A4 format which I have got a nice full aperture filter for my refractor 150 mm and with the cuts we have made filters for seekers and two other smaller telescopes and various goggles eclipse. It seems to me that a sheet costing a 30ina euro, do not know now the prices, but I do not think it is very expensive.

a greeting

Clear


RCE Foto

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