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ISS illuminated with green laser and viewed from ground

KrowBar

KrowBar

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The ESA took some video from the ground of the ISS as they illuminated it with a 3.6W 532nm laser a week ago. Pretty cool stuff and an amazing video. They must have used some mighty fine adaptive optics to get images like that which would normally be impossible due to seeing limitations. Or it is possible that they used very high speed photography with a fast optical tube and then made the video using some kind of speckle imaging composite post processing technique.
 





Woah, that's pretty cool.
I wish I had a 3.6W green laser :p
Then again, probably too much power for me to be playing with at the moment.
 
They illuminated it with a green laser but the image is colored? :p
 
Last edited:
djQUAN said:
They illuminated it with a green laser but the image is colored? :p
Click to expand...

They were testing a laser communications system and happened to take some images at the same time. The primary light source reflecting off the ISS to make it visible is still the Sun by far, but there is was a slight green tint visible due to the laser.
 
KrowBar said:
They were testing a laser communications system and happened to take some images at the same time. The primary light source reflecting off the ISS to make it visible is still the Sun by far, but there is was a slight green tint visible due to the laser.
Click to expand...

Ah ok. Wish they could have flashed the laser on and off to make it easier to tell the difference. But then again they probably had more important tests to do.
 
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