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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, 1065 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) | This comment has been automatically translated (show/hide original)

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) | This comment has been automatically translated (show/hide original)

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) | This comment has been automatically translated (show/hide original)

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) | This comment has been automatically translated (show/hide original)

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) | This comment has been automatically translated (show/hide original)

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 :-)


RCE Foto

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