Green Edges On The Moonrise Today?

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Green Edges on the moonrise today?
Taken by Leo Caldas on March 2, 2018 @ Brasilia Brazil

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Camera Used: NIKON CORPORATION NIKON D5300
Exposure Time: 1/5
Aperture: f/5.6
ISO: 800
Date Taken: 2018:03:02 21:20:15

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Really the only explanation I have is that the moonrise often makes Green flashes just as the sun! Does somebody have an answer?

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Its atmospheric dispersion. Usually in photos of planets etc youd want to correct for that, as it distorts the image. But on more zoomed out photos like this, and this close to the horizon, it adds to the photo.
When you look so close to the horizon, the light travels through a lot of air, which then acts a bit like a prism, splitting the light a bit. If you look closely youll also see a red fringe on the bottom side of the moon. I think the green flash is indeed caused by the same phenonoma.

Posted by MaxMallon 2018-03-03 11:05:12

I agree with MaxMallon. I often observed greenish/blueish and reddish edges at opposite sides of planet/moon photos.

Posted by iovane 2018-03-03 15:55:14

However, I would also consider chromatic aberration of optics. In some cases I observed surely this phenomenon, identified observing detail at either sides of the center of a photo frame: the effect is mirrored.

Posted by iovane 2018-03-03 17:07:46

I believe that it is definitely the Green Flash effect from the lens of the atmosphere near the horizon.
Also see Les Cowleys site in the UK, Atmospheric Optics for more information.

Posted by markseibold 2018-03-04 07:00:27

https://www.eso.org/public/usa/images/potw1117a/

http://earthsky.org/space/a-rare-green-flash-from-the-moon

http://blogs.discovermagazine.com/badastronomy/2011/05/03/forget-the-green-lantern-heres-the-green-flash/

Posted by Euclid 2018-03-04 10:47:33

Now that the fancy discussion is over guess what folks ? It is still a great photo :)

Posted by HP1954 2018-03-05 08:46:21

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