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IC 434...

Astrofotografia

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IC 434 sent on February 11, 2016 (10:39) by Jonnycorvo. 11 comments, 1142 views. [retina]

, Posa B f/5.6, ISO 800, tripod.

IC 434 Nebulosa Testa di Cavallo, NCG 2023 e NCG 2024 Nebulosa Fiamma. Ripresa Nikon AF 300 IF-ED f/4 @ 5.6 e Canon 1100D modificata Super UV/IR, filtro Astronomik UHC-E e raffreddata con una ventola da PC su SW NEQ6. Autoguida con TecnoSky SharpGuide 50, Magzero MZ-5m e PHDGuiding. 20 frame da 300s a 800 ISO, 9 Dark, 9 Bias e 10 Flat realizzati con Expodisc 2.0.



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avatarsenior
sent on February 11, 2016 (10:48) | This comment has been automatically translated (show/hide original)

Nice shot!!! But I disagree with the choice to highlight the stars with that effect :-D :-D

avatarsenior
sent on February 11, 2016 (10:57) | This comment has been automatically translated (show/hide original)

How about tips? :-D

avatarsenior
sent on February 11, 2016 (12:03) | This comment has been automatically translated (show/hide original)

you, the glare type Xeno !! :-D :-D

avatarsenior
sent on February 11, 2016 (12:47) | This comment has been automatically translated (show/hide original)

The spikes are due to the lens aperture stopped down to f / 5.6, while the halo around is an optical defect, I think. Unfortunately it comes out in almost all pictures. I wonder if it is some reflection on the UHC filter.

user28347
avatar
sent on February 11, 2016 (13:02) | This comment has been automatically translated (show/hide original)

fabulous, curiosity is still used to hold the cap in front of the telescope for 2 seconds to prevent blur? or the lens?

avatarsenior
sent on February 11, 2016 (13:24) | This comment has been automatically translated (show/hide original)

I do not do, I read about this procedure but I never got to try!

avatarsenior
sent on February 11, 2016 (13:51) | This comment has been automatically translated (show/hide original)

The spikes are due to the lens aperture stopped down to f / 5.6


I had not noticed it !!! I thought you had added in PP! :-D

avatarsenior
sent on February 11, 2016 (15:36) | This comment has been automatically translated (show/hide original)

Jonnycorvo, I played around with a Nikon 200mm f / 4 and feedback to the same problem. frontally by applying the filter LPS showed me much the halo of the brightest stars. That is not in perfect axis ??
If ever one day I will do to remedy the problem you know. :-P

Still great shot !!!
Marzio greetings

avatarsenior
sent on February 11, 2016 (20:11) | This comment has been automatically translated (show/hide original)

I have the EOS Filter Clip. I would try not, but where the photographer is not enough IL

avatarsenior
sent on June 07, 2016 (14:05) | This comment has been automatically translated (show/hide original)

Jonnycorvo, I played around with a Nikon 200mm f / 4 and feedback to the same problem. frontally by applying the filter LPS showed me much the halo of the brightest stars. That is not in perfect axis ??


You've accidentally made a change like the Baader or Super UV / IR? Because in my case it seems that this is the problem.

avatarsenior
sent on June 07, 2016 (15:19) | This comment has been automatically translated (show/hide original)

No, no changes to the sensor.




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