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Rob Davison | all galleries >> Galleries >> Night & Astro > 00015_RT8.jpg
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16-JUL-2004

00015_RT8.jpg

I pointed a Sigma 20mm F1.8 lens at the southern sky on a moonless night for one minute @ ISO 400. This is
what was recorded. Took four frames. I'll get around to dark frame subtraction and try stacking them one of these days. No tracking so its blurry as heck but I got nebula detail with nothing more than a camera and tripod!



Beautiful night for looking at the stars too...

Canon EOS 10D
60.00s at 20.0mm iso400 full exif

other sizes: small medium large original auto
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Guest 29-May-2008 11:53
wow! super details!
Rob Davison28-Sep-2007 19:50
Guest: It's blurry because of the rotation of the earth and the length of the exposure. To get sharp starfields you either need to keep the exposure under 600/(effective lens focal length) or use a tracking tripod mount that slowly rotates to counteract the earths rotation.
Guest 27-Sep-2007 10:42
Im thinking of buying this lens as well.
any reason why you think the pic came out blurry?
thanks.
B
Guest 18-May-2005 17:30
Amazing!!!