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  1. Galleries
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  3. Astrophotography
  4. » Orion Nebula (long exposure filter H-alpha 12nm)

 
Orion Nebula (long exposure filter H-alpha 12nm)...

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Orion Nebula (long exposure filter H-alpha 12nm) sent on November 05, 2014 (19:44) by Altair70. 7 comments, 874 views. [retina]




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avatarsenior
sent on November 05, 2014 (21:33) | This comment has been automatically translated (show/hide original)

Beautiful, data recovery?

avatarjunior
sent on November 05, 2014 (22:11) | This comment has been automatically translated (show/hide original)

Thank you, let's say by heart 2 hours and 40 ', shooting from 10' to 800 ISO with room cooled down, guiding, then dark, flat, bias .. I'm not a magician post production, so the end result would have been better. .

user28347
avatar
sent on November 05, 2014 (23:08) | This comment has been automatically translated (show/hide original)

I like pretty defined and the color I think it is fine;-)

avatarsenior
sent on November 15, 2014 (11:56) | This comment has been automatically translated (show/hide original)

How to detail is not bad, but it is completely red, there is no other color! It almost seems like a B / W tacked to red. A curiosity: the image is mirrored, you have placed a diagonal mirror between the camera and the telescope? What room / telescope did you use?

Hello

Clare

avatarjunior
sent on November 16, 2014 (18:44) | This comment has been automatically translated (show/hide original)

Hello Clare, I used a modified Eos 600d, a filter h-alpha Eos-clip to 12nm and as a tele tube william optics ZenithStar 80ED apo, with reducer / field flattener. As previously mentioned, not a magician in the processing of the picture, at the time, how it was shot (then with a marcatissimo red due to the change and filter), is the most that I could do. Maybe, just good weather returns, I can try to take more poses and to integrate it all again, to see what comes out .. You have suggestions?

avatarjunior
sent on November 16, 2014 (18:46) | This comment has been automatically translated (show/hide original)

I forgot to put 10 'and the room is cooled by Peltier

avatarsenior
sent on November 18, 2014 (11:16) | This comment has been automatically translated (show/hide original)

Sorry, I missed the filter h-alpha! In this case you should keep the image in B / N. If you want the color image or do without the filter h-alpha, or do the shoot is without filter with filter, using those with the filter as a luminance. On the shoot with the filters, however, there are others who will tell you more, I've never used them.

Hello

Chiara


RCE Foto

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