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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, 12110 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 21, 2011 (15:26) | This comment has been automatically translated (show/hide original)

Congratulations! Really a great photo!
The spiral arms are clearly visible and defined.

avatarjunior
sent on October 21, 2011 (16:29) | This comment has been automatically translated (show/hide original)

I do not know much about astrophotography but leaves you speechless, that work behind this photo is spectacular and as a result, all my compliments

avatarsenior
sent on October 21, 2011 (16:38) | This comment has been automatically translated (show/hide original)

Some pictures make me feel really infinitely small and reflect on the fact that the light we see today started almost simultaneously with the first hominids who took their first steps on two feet instead of 4.Astro_Kiara my heartfelt congratulations for this masterpiece. I'm sure they would be proud .... even those over there:-D

avatarjunior
sent on October 21, 2011 (16:47) | This comment has been automatically translated (show/hide original)

I wonder if they started posing before shooting ... Congratulations, some photos suggest that this is not all that we experience. Beautiful

avatarjunior
sent on October 22, 2011 (12:43) | This comment has been automatically translated (show/hide original)

Congratulations! Superb!

avatarjunior
sent on October 22, 2011 (14:06) | This comment has been automatically translated (show/hide original)

Astro_kiara Hello, do I know which program do you use to add the poses? and then when the camera is original or you changed the filter ... but is the result is excellent and I congratulate you for the work done
Hello
Henry

avatarsenior
sent on October 23, 2011 (10:38) | This comment has been automatically translated (show/hide original)

Thank you all!

@ Enrico: the integration of poses and calibration using MaxIm DL, then step in Photoshop to other settings. The camera I use is the original, without changing the filter.
Hello!
Clear

avatarsenior
sent on October 23, 2011 (10:43) | This comment has been automatically translated (show/hide original)

I do not know anything about astrophotography, but you have to bow down to a picture like that
you're really good and all that is behind a picture like that does nothing but increase my conviction ...
greetings
Roberto

avatarjunior
sent on October 23, 2011 (18:13) | This comment has been automatically translated (show/hide original)

as already written in pvt, extraordinary. Enchanted by her beauty.

avatarjunior
sent on October 24, 2011 (13:00) | This comment has been automatically translated (show/hide original)

almost a wonder.
from astronomy book.

only compliments and chapeau, excellent technique and very exciting in the short comment.

avatarjunior
sent on October 24, 2011 (13:02) | This comment has been automatically translated (show/hide original)

but it is the background of the mac??? :-D:-D:-D

joke, it's a masterpiece!!

avatarjunior
sent on October 24, 2011 (13:49) | This comment has been automatically translated (show/hide original)

photo extraordinarily exciting! stare into the galaxy and think about how many billions of billions of billions of stars with planets there are in makes you think about how likely it is life on other planets ... then you realize that all around the galaxy is a swarm of other stars and / or galaxies, and then you lose the awareness of our infinitesimal existence. All the problems of everyday life: quarrels, asti, envy, etc. seem less serious and less important.

avatarjunior
sent on October 24, 2011 (14:44) | This comment has been automatically translated (show/hide original)

This is the background of the mac with Lion know:
apart from the jokes, can be the same galaxy? Maybe it's a stupid question, but are completely ignorant on the subject.

avatarsenior
sent on October 24, 2011 (14:47) | This comment has been automatically translated (show/hide original)

Technically I do not know what to say about this shot, "space", it is certain that pictures like this are really exciting, both for the viewer and for those who have the skill to take them ;-) Ste

avatarjunior
sent on October 24, 2011 (15:03) | This comment has been automatically translated (show/hide original)

Certainly not picture you see every day! beautiful! prtroppo the shooting details are written in alien language for me! :)
Compliemti really exciting

avatarjunior
sent on October 24, 2011 (15:54) | This comment has been automatically translated (show/hide original)

@ Alemalva: ihihih exact ... even that is always the same galaxy, M31 precisely, also known as 'Nebula' Andromeda ... practically between spatial objects most famous sky autumn / winter ... I laugh because it makes me smile that, on closer inspection, the picture is much nicer astrokiara the background of the Mac, in fact I would not be wrong but the picture as a background in Lion seems photoshoppata, because it is not visible M110 ...
M110 is the 'baby' galaxy that you can see right at the top left in the photo astrokiara, while in the background of the Mac desktop should be visible in the bottom right but there is no trace ... ;-)

probably a 'license' poetry that will be taken to Apple to make it look appealing photography focusing on the beautiful galaxy, but personally, imho, in this kind of photography ... clone stamp as there is the cabbage ;-) ;-)
then maybe I'm wrong, but I think itsso ...

avatarsenior
sent on October 24, 2011 (18:48) | This comment has been automatically translated (show/hide original)

Thank you all again for the nice comments!

@ Alemalva: is she! However, the background that you submit is visibly fake, as noted Alcarin was cloned the small galaxy m110 and there are strange artificial halo around the galaxy.

@ Simon: I can briefly explain the shooting data, are written in contracted form, but here's the "decoding"
8 min x 10 + 1 x 10 min (this is easy!) Wants to say I did 8 exposures of 10 minutes + 10 one minute poses that have been integrated. The 10 poses are 1 minute for the core, which in the longer exposures is always overexposed. It 'a kind of double exposure.
Help manual of 120 x eq6 means that I put in the guide telescope eyepiece that gave me 120 magnification and I correct the following errors of Frame model eq6 manually, that is, as I watched the guide star if I could move correggevo with the keypad.
dark are dark frames, shots with the cap with sweave exposure time, to subtract from each pose to eliminate the hot pixels
flat are flat field frames, shots taken before the camera by placing an illuminated panel evenly (or pointing the dawn sky background). It divides each image by the flat because the pixels have different response to light (for various reasons), it makes a sort of normalization of pixels of the entire image. With this procedure will eliminate vignetting problems, but also differences in the dusts sul'obiettivo and reception of light due to the construction of each pixel.

Perhaps it is clearer to read data click!

good evening!

Clear

avatarjunior
sent on October 26, 2011 (3:20) | This comment has been automatically translated (show/hide original)

Thanks for the explanation, really exhaustive. Very interesting, I renew the compliments!
Hello, good stars!
S

avatarjunior
sent on October 28, 2011 (9:05) | This comment has been automatically translated (show/hide original)

wonderfully exciting!!
congratulations, Alexander

avatarsenior
sent on October 28, 2011 (9:11) | This comment has been automatically translated (show/hide original)

WONDERFUL, spectacular. The EQ6 is extraordinary ...


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