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The Great Galaxy - M31 and Andromeda satellites...

Astrofotografia

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The Great Galaxy - M31 and Andromeda satellites sent on October 21, 2011 (13:03) by Astro_kiara. 61 comments, 12177 views.

Posa B ISO 800,

8 min. x 10 + 1 min. x 10 (nucleo) (tot. 90 minuti), Canon EOS 500D, rifrattore apo 80/480, guida manuale a 120 x su EQ6, dark + flat Questo è l'oggetto più lontano da noi visibile ad occhio nudo (2,5 milioni di anni luce). Le sue dimensioni apparenti sono circa 6 volte il diametro della Luna piena. E' bello nell'osservarla perdersi nell'idea che forse da lì qualcuno altro sta guardando verso di noi!



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avatarjunior
sent on October 28, 2011 (21:41) | This comment has been automatically translated (show/hide original)

Really compliments perqesta artwork left me stunned a great job both in production and in post for what little it takes only one word perfect:-D

avatarjunior
sent on November 07, 2011 (13:51) | This comment has been automatically translated (show/hide original)

Sorry Clare but the photo has been cropped significantly?
I do not understand .. Your 500D has a crop factor of 1.6 which added to your apo refractor 80/480 reaches a magnification of 768mm.
I with 5d2 full frame mounted on C8 N keep 1000mm, yet I see the nebula is too small (such as in your you see the satellite just above left)

What's wrong?

avatarsenior
sent on November 07, 2011 (17:24) | This comment has been automatically translated (show/hide original)

Sorry Clare but the photo has been cropped significantly?


no, it's just cropped the image at full resolution is about 4500 pixels on the long side, which is equivalent to about 95% of the original. I've never worked with full frame sensors but as far as I know with these there is no crop factor, so if you use a focal length of 1000 mm 1000 mm work with real and your image of M31 should be a little 'largest mine. Please note that in the unprocessed raw photos also I see almost only the nucleus of the galaxy, so maybe that is not by accident that you see in your filming the M31 as the M110 small of my photos. Try to play a little 'with curves, exaggerates the pull of lights and half tones, so you should see the parts more remote and see if you made the shot right. If you want to send me to a private image.

Clear

avatarjunior
sent on November 07, 2011 (18:12) | This comment has been automatically translated (show/hide original)

thanks Chiara, in fact I am talking about a single image with a couple of minutes of exposure.
So only after processing I get good results.

As soon as I can take something decent you send in the pvt. Today, despite the favorable weather, it's all clear.

avatarsupporter
sent on November 08, 2011 (21:08) | This comment has been automatically translated (show/hide original)

Nice shot, the 'only thing that seems strange and not taken with a refractor but with an astrograph type smith-newtons, refractors are not the stars with 4 points ..
the rest really beautiful

avatarsenior
sent on November 08, 2011 (21:43) | This comment has been automatically translated (show/hide original)

Thank you!
already, refractors are not the stars with four points, but the refractors in front of two pieces of string to tie the roast! ;-) Sometimes I put them and sometimes not, depending on your subject. Generally, I like the effect spikes, especially when there are many bright stars, it is easier to prevent the enlargement of the stars and bring out their colors.

Chiaraa

avatarjunior
sent on November 28, 2011 (10:54) | This comment has been automatically translated (show/hide original)

FANS and thanks x the technical explanation we ignorant :-) x

user579
avatar
sent on November 29, 2011 (16:18) | This comment has been automatically translated (show/hide original)

Awesome ... I'm not well versed in astronomy it, and even less in astrophotography ... but when I saw this shot, I was in awe Congratulations, a photo from encyclopedia!

avatarsenior
sent on November 29, 2011 (17:51) | This comment has been automatically translated (show/hide original)

Thank you again! :-)

avatarjunior
sent on December 02, 2011 (23:20) | This comment has been automatically translated (show/hide original)

Nothing short of stunning! Congratulations indeed!

avatarjunior
sent on December 05, 2011 (19:51) | This comment has been automatically translated (show/hide original)

I know absolutely nothing of this kind of photography but I like it a lot!

avatarjunior
sent on December 05, 2011 (21:25) | This comment has been automatically translated (show/hide original)

beautiful photos .. beautiful .. and exciting explanation of his creation! truly remarkable! : D

avatarsenior
sent on December 16, 2011 (14:51) | This comment has been automatically translated (show/hide original)

wow beautiful, are a ignoramus astrophotography, but photos like these make me the desire to try

avatarjunior
sent on December 16, 2011 (15:19) | This comment has been automatically translated (show/hide original)

Magnificent ... ... Compliments.

avatarjunior
sent on December 16, 2011 (18:31) | This comment has been automatically translated (show/hide original)

It 's beautiful nell'osservarla get lost in the idea that maybe there is someone else looking at us!


From headaches ...... if it is 2.5 million light years away, we see that someone is gone from 2.5 million years, and that someone who observes us, there will be between 2, 5 million years ......

avatarsenior
sent on December 16, 2011 (21:22) | This comment has been automatically translated (show/hide original)

Bardo already! It 'just as a headache! If someone is seeing now means that sees us as we were 2.5 million years ago, that were not there ...! So from Andromeda will not see us again for a long time! A really nice headache! ;-)

avatarsenior
sent on January 12, 2012 (21:18) | This comment has been automatically translated (show/hide original)

incredible!! ke nn so ... here we say 'just to watch and enjoy!

avatarsenior
sent on January 12, 2012 (21:48) | This comment has been automatically translated (show/hide original)

I have observed some time ago with binoculars 8x44 and is already so exciting, although in B / N.
The photo is amazing!

avatarsenior
sent on January 12, 2012 (22:17) | This comment has been automatically translated (show/hide original)

great! to read what you wrote I feel ignorant for me :-) is alien language:-D

avatarsupporter
sent on February 11, 2012 (16:02) | This comment has been automatically translated (show/hide original)

Wow amazing ....





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