Sunday, November 21, 2010
The ISS and Parallax, One More Time
After our attempt to use parallax to determine the height of an iridium flare, Dean Male and I tried to do it with an ISS pass, somewhat higher in the sky to fix some issues with the parallax calculations. I got the ISS as it was at its highest, but Deans firing mechanism had a meltdown and his shots might not be salvageable.Oh well, there's next time.
The left image is the ISS above Iota Grus at 21:15:35, Canon IXUS, 400 ASA, 15 second exposure. The bottom image is the ISS passing the bright star Canopus a few minutes later
As always, click to embiggen.Labels: astrophotography, ISS
# posted by Ian Musgrave @ 11:57 pm 
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