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  1. Galleries
  2. »
  3. Astrophotography
  4. » M42 - the Orion Nebula

 
M42 - the Orion Nebula...

astrofotografia

View gallery (9 photos)

M42 - the Orion Nebula sent on March 05, 2013 (14:24) by Illpelle. 5 comments, 697 views. [retina]

ISO 3200, tripod.

Telescopio celestron c9. montatura heq5. filtro uhc-s. 3 foto da 1 minuto iso3200. 3 foto da 1 minuto iso1600. 3 foto da 1 minuto iso800. 3 foto da 1 minuto iso400. 3 foto da 1 minuto iso200. 3 foto da 1 minuto iso100. elaborate con photoshop.



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avatarjunior
sent on March 05, 2013 (14:38) | This comment has been automatically translated (show/hide original)

give me more advice and guidance as possible, are only a few months to take pictures. hello

avatarsenior
sent on March 05, 2013 (18:10) | This comment has been automatically translated (show/hide original)

Hello, recommendations and professional advice you can give them our friends astrophotographers, I can only congratulate you on the beautiful pictures, even if you give me the impression that the color dynamism of Orion is a little below par, which is the filter UHC-C stetto too? but it is probably also want to review the post-production, but on the other hand the noise in the picture is quite low, about the sum of 18 photos. Bravo! ;-)

avatarjunior
sent on March 05, 2013 (18:13) | This comment has been automatically translated (show/hide original)

Hello, there is something wrong in the picture, it seems the telescope scollimato well as a heavy vignetting ... did you use a focal reducer? you drove or just tracking the hype?
You do not recommend to do poses with equal times just changing the ISO, rather, on m42, I'd be at 400 iso and would show different times, eg from 5-6 minutes, 3 minutes, 1 minute, 30 seconds and 15 seconds (but this is from see also in according to the place of recovery and from the light pollution).
also you should shoot in the dark and flat. :-)

avatarjunior
sent on March 05, 2013 (18:47) | This comment has been automatically translated (show/hide original)

Meanwhile, thank you!
I used a focal reducer baader and tracking of the frame.

avatarsenior
sent on March 06, 2013 (21:57) | This comment has been automatically translated (show/hide original)

I agree with Fabio, especially in the discourse of the iso: better to keep the same iso and change the times. If you do not drive the poses and want to keep the shortest possible you can also go to 800iso, otherwise poses with HEQ5 5-6 minutes and you have to drive, even if you are stationed well.
Vignetting is certainly the work of the focal reducer, in part can be compensated using the flat field. The color casts introduced by the filter can be remedied by balancing colors in post-production, with a little 'patience.

hello!

Clear


RCE Foto

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