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Old 21-06-2011, 06:17 AM
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sheeny (Al)
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Join Date: Jun 2005
Location: Oberon NSW
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G'Day JJJ,

Go video and make sure you start it in time. 0.85s suggests the transit should be not too close to the limb so you should see it, but it might be difficult to identify it, so let it run a little while afterwards just to be sure. It wouldn't be good to shoot the ISS and only get a passing swallow...

Try for as short an exposure time as you can to stop the motion of the ISS. I think from memory (with an ED80 and DMK41 - 4.95um pixel) I needed to be faster than 1/200s! ...not easy through a 40mm Ha filter...

Good luck.

Looking forward to the results!

Al.

Last edited by sheeny; 21-06-2011 at 06:19 AM. Reason: typos
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