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Deviousness `anmari has been spreading her infectious positivity throughout our community for over 6 years. Throughout this time Ana has been at the core of all things devious, passionately developing an eclectic gallery, helping organise devmeets, participating in chat events and also recently completed dedicating her time as a Community Volunteer. We are absolutely delighted to bestow the Deviousness Award for May 2013 to `anmari, congratulations! Read More
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Sta.sh
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...
Do you have any suggestions? I presume you set up your camera on a tripod and kept taking photographs at long exposures.
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...
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.
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!