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  1. Galleries
  2. »
  3. Astrophotography
  4. » Rho Ophiuchi Cloud

 
Rho Ophiuchi Cloud...

Minitrack LX

View gallery (15 photos)

Rho Ophiuchi Cloud sent on May 22, 2014 (23:25) by AngeloPerronePhoto. 5 comments, 1099 views.

, Posa B f/4.5, ISO 1600, tripod. Otranto, Italy.




View High Resolution 2.8 MP  



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avatarjunior
sent on May 23, 2014 (15:43)


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La nube di Rho Ophiuchi inseguita con Minitrack LX ;) Esposizione di 91" con Canon 5D Mark III, Canon EF 85mm f/1.8 USM, diaframma a f/4.5, ISO 1600 :) devo dire che il Minitrack si è comportato benissimo :) la prossima volta però vedrò di riprenderla con degli iso più bassi e con un diaframma più aperto :)



The Rho Ophiuchi cloud chased with Minitrack LX ;) Exhibition of 91 "with a Canon 5D Mark III, Canon EF 85mm f/1.8 USM lens, aperture f/4.5, ISO 1600 :) I have to say that the Minitrack has behaved very well :) the Next time though I'll try to take it up with the ISO lower and with a wider aperture :)


avatarsenior
sent on May 23, 2014 (21:50)


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bravo, continua così che sei sulla strada giusta, io però lascerei il diaframma a f/4 ma abbasserei gli ISO a 800, integrando molto di più, diciamo almeno 30 pose raddoppiando l'esposizione, in questa maniera eviteresti di saturare le stelle e in compenso cattureresti un bel pò di fotoni in più dei gas scuri, poi in pp tirare fuori le cromie dei rossi, questo perchè non hai la camera modificata Baader. Comunque quella lente da 85mm f/1.8 è fantastica anche in astrofoto, ce l'ho anche io :) Ciao, Beppe Sorriso

good, keep it up you're on the right track, but I would leave the aperture at f / 4 ISO 800 but the stoop, integrating a lot more, let's say at least 30 poses doubling the exposure, in this way you would avoid saturating the stars and in return capture it quite a bit more gas of photons in the dark, then into pp pull out the colors of red, this is because you do not have the room changed Baader. However, the 85mm f/1.8 lens is also great for astrophoto, I have it too :) I Hello, Beppe :-)

avatarjunior
sent on May 23, 2014 (23:57)


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Carissimo Beppe ti ringrazio per gli utili consigli che mi hai dato :) ne farò tesoro per la nottata di domani :) infatti questa zona del cielo mi piace moltissimo :) comunque seguirò il tuo consiglio :) per quanto riguardo il Canon 85mm...è una lente fantastica e super nitida :) sono rimasto di stucco Eeeek!!!

Dear Beppe thank you for the helpful advice you gave me :) I will treasure for the night tomorrow :) In fact, this area of ??the sky I love it anyway :) I will follow your advice :) how about the Canon 85mm ... is a fantastic lens and super sharp :) I was flabbergasted wow!

user44198
avatar
sent on May 24, 2014 (2:43)


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ciao,l'immagine è molto carina,purtroppo come dice Beppe si vede la mancanza della modifica del sensore,mi piacerebbe vedere la foto ad una risoluzione maggiore e riscontrare se le stelle sono puntiformi fino ai bordi,temo però che se apri di più il diaframma a 1,8 potresti incorrere in un'aberrazione sferica....per cui ti consiglio di diminuire solo gli iso ed aumentare l'integrazione,e per evitare un surriscaldamento del sensore ti consiglio,come faccio io,di intervallare di almeno 1 minuto e mezzo i frames così da mantenere una temperatura costante che ti permette di acquisire il segnale senza i fastidiosi gradienti prodotti dal rumore termico ;-);-)
un saluto
Riccacrdo

hello, the picture is very pretty, unfortunately, as Beppe says it shows a lack of change in the sensor, I'd like to see the photo at a higher resolution and verify if the stars are point to the edges, but I fear that if you open the more aperture 1.8 you may run into spherical aberration .... so you should only decrease the iso and increase integration, and to avoid overheating of the sensor I suggest, as I do, to intersperse at least 1 minute and a half frames so as to maintain a constant temperature that you can acquire the signal without the annoying gradients produced by the thermal noise ;-) ;-)
a greeting
Riccacrdo

avatarjunior
sent on May 24, 2014 (19:22)


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Grazie Vega del passaggio MrGreen infatti questa era una prima prova con il minitrack lx e stasera vedrò di fare di meglio e mettere in pratica i vostri consigli :) grazie del passaggio Sorriso

With the passage Vega:-D In fact, this was a first test with the minitrack lx and tonight I'll try to do better and to put into practice your advice :) thanks passage :-)


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