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Submitted on
June 1, 2012
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Trapani Star Trails ver2 by klapouch Trapani Star Trails ver2 by klapouch
Edit of this shot: [link]

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29 mar 2012
Mura di Tramontana
Trapani - Sicilia - Italia

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This picture is part of this timelapse video: [link]

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Data:
Canon EOS Rebel T2i
EF-S 18-55mm IS

53 merged exposures, each: f/3.5 - 120sec - ISO100 - 18mm
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:iconalone-maggie:
alone-maggie Featured By Owner May 9, 2013  Hobbyist Photographer
Congratulations! Your photo has been chosen as one of the best photographs submitted to our group since the beginning of our activity! You have been featured in our journal! :) :heart: We kindly invite you to check our latest journal :aww: :iconfeaturing-nature:
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:icona7xfan666:
A7XFan666 Featured By Owner Aug 11, 2012
Very Nice shot :D
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:iconjosephtimbury:
JosephTimbury Featured By Owner Aug 10, 2012  Hobbyist Photographer
How did you photograph this? Is it a meteor shower?
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:iconklapouch:
klapouch Featured By Owner Aug 11, 2012   Photographer
No. =)
Because of the Earth's rotation everything that's out of the Earth seem to move around the sky. The Sun, the stars...
As the Earth rotates from west to east, the stars seem to make a circle around the north pole (The Polar star).
This photo captures the movement that occurs in a 1h45 interval, facing north-west...
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:iconjosephtimbury:
JosephTimbury Featured By Owner Aug 11, 2012  Hobbyist Photographer
oh that's cool. I appreciate the information. I noticed you used a Canon T2i to photograph this photograph. I have a Canon T3i, so I am feeling inspired to try this concept. On August 12th there is supposed to be a meteor shower where I live, so I was researching and stumbled upon your photograph. :)

Do you have any suggestions? I presume you set up your camera on a tripod and kept taking photographs at long exposures.
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:iconklapouch:
klapouch Featured By Owner Aug 11, 2012   Photographer
hmm, I've never photographed a meteor shower, but I guess it's basically the same.

I suggest you to install the "Magic lantern" on your camera ([link]). It adds lots of extra functions, and two of them will be specially useful in this case:
"Bulb timer": You'll be able to make exposures longer than 30 seconds.
"Intervalometer": You just program it and leave the camera do the job for you, awesome for timelapses and stacked photos like this one.

Oh, and don't forget to do some trials before the night of the shower, night sky photography can be tricky, don't stay just on the research... ;)

If I may give you another bit of advice, find something nice to use as a foreground... A tree, a mountain, a building... It makes your photo look a lot more interesting... =)

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:iconjosephtimbury:
JosephTimbury Featured By Owner Aug 14, 2012  Hobbyist Photographer
Thanks for the suggestion. Firmware seems awesome. The issue for me was that the new Magic Lantern software becomes free on August 13 and the meteor shower was August 12, so I didn't get the firmware yet. I may see about getting firmware after this week ends because I'm working as a photographer at camp and there is a risk that firmware can ruin a camera, so I can't risk it until August 19th.

I captured the meteor shower, but because my ISO was at 6400 there was too much noise. I see you photographed at 100 ISO. I tried that, but I had to have about 300 second exposures to get anything worth wild.
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:iconklapouch:
klapouch Featured By Owner Aug 15, 2012   Photographer
Oh, sorry to hear that... =/

There was an update on ML... That's why they did the "just download after 13 aug" thing.
Well, as far as I know, there's no risk of "ruining the camera" 'cos ML don't actually installs on the cam, it installs on the card. In the camera, it only enables some kind of boot flag, nothing dangerous. Actually you can still use cards with no ML... But, it's your camera, your call... =)

About the noise/exposure... Yes, ISO6400 on Rebels are unusable. With long exp. I don't dare to use more than ISO400. (With short exp. it's OK to use ISO800). But, in the star shooting case, you also shouldn't trust on meterings and on what you see on the little screen.
I don't know what lens you have, but with the kit lens, you can get a decent star photo with f/4, 15sec, ISO400, RAW. Actually you should not make exposures longer than 15 sec unless you want to capture trails. Exposures longer than 15sec won't make the stars brighter 'cos they moved and they aren't in the same pixel as before... If you want some more technical data about it google for "rule of 600".

Best luck next try! =)
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:iconjosephtimbury:
JosephTimbury Featured By Owner Aug 27, 2012  Hobbyist Photographer
Thanks for the information. :w00t:
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:iconunknown-variable:
Unknown-Variable Featured By Owner Jun 13, 2012
oAo So cool!!!
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