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Sirius...

ASTOFOTAGRAFIA

View gallery (10 photos)

Sirius sent on March 11, 2013 (0:34) by Sandro Mazzarella. 9 comments, 822 views. [retina]

f/1.4, ISO 400,

singola posa di 51 secondi iso 400 - Canon 7d su Celestron Cpc11



View High Resolution 8.0 MP  



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avatarjunior
sent on March 11, 2013 (0:44) | This comment has been automatically translated (show/hide original)

Mado what a beautiful ... when it rises (it is no longer time, I know) turns all the colors! :-D shooting data out of curiosity? : P

ps What is that bluish trail to the right?

avatarjunior
sent on March 11, 2013 (9:38) | This comment has been automatically translated (show/hide original)

Vesperwind data made in this regard to what you see on the right I do not know what it is I could be wrong but some gambling supernova remnant. with the passage

avatarjunior
sent on March 11, 2013 (21:00) | This comment has been automatically translated (show/hide original)

Vesperwind found lalone purple that you see to the right of Syrian should be a galaxy NGC 2296

avatarjunior
sent on March 11, 2013 (22:00) | This comment has been automatically translated (show/hide original)

The shape is rather strange ... Thanks for the update anyway

avatarjunior
sent on March 11, 2013 (23:07) | This comment has been automatically translated (show/hide original)

Sandro :-) Nice try, shame about the focus is not optimal, of a very bright star like Sirius 51 seconds shutter speed at 400 ISO are many and unfortunately saturated the star, I would try for a few seconds at 100 iso, should be sufficient (C11 comes from a lot of light:-D)
The bluish glow on the right, is only a reflection by the brightness of the star and the long exposure, which happens often with very bright stars :-)

avatarjunior
sent on March 11, 2013 (23:19) | This comment has been automatically translated (show/hide original)

thanks Fabio's always good to accept advice from a master like you feel as you say, I tell you that Fabio thought I had done a bit of shooting in the early evening and its position was much higher this shot I took after one hour away and now is almost on top Syrian, it intrigued me and tonight I redid some shots on the fly and known change of position, what do you think?

avatarjunior
sent on March 12, 2013 (0:22) | This comment has been automatically translated (show/hide original)

Sandro figured, if I can be useful, I do it with pleasure :-)
I guarantee you is a reflection due to the star, I figured that these reflections I have gotten with the star out of the field of view, unfortunately, is a problem that all have a little smith cassegrain telescopes, and I'll tell you more, now I do not know if have begun to focus native or did you use a focal reducer, but with the focal reducer, the problem is accentuated ulterioremnte ... luckily they do so only with very bright stars like Sirius and a few other, otherwise it would be a drama fconfuso :

avatarsenior
sent on March 12, 2013 (9:00) | This comment has been automatically translated (show/hide original)

I think it is coming on the whole good. :-)

Perhaps the focus is not perfect, is not it?

A question .. but the frame of the Celestron CPC is suitable all'astrofotografia?

avatarjunior
sent on March 12, 2013 (17:52) | This comment has been automatically translated (show/hide original)

thanks Fabio ---- always very kind to Giulianophoto the Code of Civil Procedure 11 to a fork mount when installed with the appropriate equatorial plate then you can take pictures of long exposure


RCE Foto

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