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Saturday, September 02, 2006

Iridium Flash

The antenna arrays on the commercial Iridium satellites reflect sunlight in such a concentrated beam, that they can momentarily be the brightest objects in the sky next to the Sun and the Moon. About 20 minutes after the previous image of the Lacrosse 5 satellite passage posted yesterday, Iridium 45 passed overhead and the flash of light reached -6 magnitude as seen from Mt. Bigelow.Canon 20D - 30 seconds, 20mm @ f/1.8, ISO 200


Blogger Jim said...

Nice shot of an Iridium flare! Is taht another satellite just above the dome, or perhaps a meteor?

12:24 AM  
Blogger Richard said...

Yep. Good eye. I had to zoom way in on the original to spot it, but there is a slow mover there too.

10:38 AM  

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