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  1. Galleries
  2. »
  3. Astrophotography
  4. » Celestial rotation

 
Celestial rotation...

ASTRONOMIA

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Celestial rotation sent on October 09, 2011 (3:18) by Cristianfat. 9 comments, 2244 views.

, 30 sec f/4.5, ISO 3200, tripod.

Scattando in sequenza per un totale di circa 2 ore e un quarto, ho immortalato 9 Draconidi. La rotazione del cielo è relativa solo alla prima mezzora di riprese, le meteore sono relative all'orario dalle 20:07 alle 22:19 locali. Purtroppo nel periodo centrale sono passate delle nubi che hanno sbiancato completamente il cielo e ho dovuto escludere quella parte di scatti. Canon 5Dmark2 e Sigma 12-24 a 12mm, pose da 30 secondi a 3200iso e f4,5.





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avatarsenior
sent on October 09, 2011 (4:01) | This comment has been automatically translated (show/hide original)

AH! The red trace is obviously a stramaledettissimo plane ......

avatarsenior
sent on October 09, 2011 (22:18) | This comment has been automatically translated (show/hide original)

Having regard to the means used and your skill = spectacular result above all, for that sense of depth on Polar crazy.
Ps. do the poses court not to fan the sensor to draw a picture of 2 hours and passes right? because virtually all for this kind of picture rotating celestial add various poses and never exceeded 60 seconds of installation!
Very beautiful Dragonidi, you hit the nail right! PS. the avatar is your "toy" reflector 12 "? wow!

avatarsenior
sent on October 10, 2011 (12:34) | This comment has been automatically translated (show/hide original)

Thanks Matte!
The poses are short due to light pollution and the need to raise the ISO wide open to record meteors ..... If I had longer exposures at lower ISO would have the meteors much less obvious.
The avatar is your Mio 10 inches, but I also have a 14!

avatarsenior
sent on October 10, 2011 (13:54) | This comment has been automatically translated (show/hide original)

And damn talented! complimentissimi for paintings, even a 14 "! WOW! but always reflector? with the messengers you have available to do the astrofotografie Hubble!
But then if I impostassi ISO 3200 for shooting from a few minutes, like 5-10, I would have problems with unwanted light right? Thing in your masterpiece is absolutely not!

avatarjunior
sent on October 10, 2011 (14:29) | This comment has been automatically translated (show/hide original)

Too bad for the clouds! anyway congratulations for the effort!

avatarsenior
sent on October 10, 2011 (17:06) | This comment has been automatically translated (show/hide original)

Matte certainly have a lot of sensitivity to 3200, then depends on the focal ratio though! Consider that under very dark skies, at 3200 iso you can do poses from 3 minutes to F4, F5 or 6 minutes, 6 and so on ..... If the sky is dark, these values ??can also be reduced by 10 times!
On my site you will find lots of pictures also made with astronomical telescopes, if you want to check it out!

avatarsenior
sent on October 11, 2011 (18:35) | This comment has been automatically translated (show/hide original)

Your site: (: -0!! WOW!

avatarjunior
sent on October 13, 2011 (14:25) | This comment has been automatically translated (show/hide original)

but then how to blend these photos? I never understood, a sequence of shots and then photoshop them together like?

avatarsenior
sent on October 13, 2011 (17:37) | This comment has been automatically translated (show/hide original)

Very beautiful! Perhaps along with the draconians there was also some sporadic, it seems to me that do not come all from the same radiant. I tried, but there was strong wind so I've seen to the eye only a few meteors.

Clear


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