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International Space Station Lunar Transit 1/21/2016 | by nicocarver
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International Space Station Lunar Transit 1/21/2016

Was able to catch a lunar transit of the International Space Station last night! I shot it as a video and this is 20 frames combined to show the path of the transit. The whole transit lasted 0.6 seconds. So short because the ISS orbits earth at a rate of 17,150 miles per hour. I was lucky to get invited to the backyard of another member of an astrophotography special interest group I belong to, as you have to be in precisely the right place at the right time to catch something like this. The ISS is dark because it was in Earth's shadow.

 

Acquisition:

Mount: Astrotrac TT320X-AG in Lunar mode (this kept the moon roughly in the center of frame for 10 minutes as we waited,

Tripod: Manfrotto 055

Ball head: Oben 128 - caught it drifting a bit- might need a better one soon

Camera Body: Canon 5D Mark iii

Camera Lens: Canon 70-300mm f4-5.6 USM

Camera Settings: ISO 800, f9.0, 1/1000, 30 fps, Magic Lantern RAW- MLV container, 3x crop mode at 1920x1080 resolution

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Uploaded on January 22, 2016