YouTube Description:
This time-lapse movie shows a whole night on Paranal, from sunset to sunrise. The very wide field-of-view reveals the beauty of the southern Milky Way, visible as a whitish nebulosity crossing the sky. The yellow Laser Guide Star is seen in action several times.
1 year 3 weeks ago • 1,224 views • 1:01
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3 Comments
Boise_LibVery cool.
PlayhousePalsWonder what the intermittent laser light was for =oI
oritteropoIt's called laser adaptive optics, they're using it to get more detailed images by taking into account (and correcting for) the distortion caused by the earth's atmosphere (the twinkling effect stars have). You can use a convenient marker star if there's on in the right spot, but the laser lets you do it even when there isn't.
@deathcow can probably point you at a better explanation if you're interested.
>> ^PlayhousePals:
Wonder what the intermittent laser light was for =oI
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