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Go Back   SailNet Community > Skills and Seamanship > Seamanship & Navigation > green flash
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Thread: green flash Reply to Thread
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Topic Review (Newest First)
08-11-2011 06:36 PM
CaptainForce
Quote:
Originally Posted by padean View Post
Here is a link to a photo and a brief scientific explanation of the green flash.

APOD: 2011 January 4 - A Green Flash from the Sun
This is brief, but certainly not a scientific explanation and blatantly false with the statement that the green flash lasts a few seconds.
08-11-2011 05:05 PM
SHNOOL after watching countless videos (as I have not seen it ever), all the evidence seems to be a green dot is the last color wave as the sun dips... a light diffraction if you will. Someone please prove me wrong!

Not as sexy as a flash, but hey what do you want from an engineer.
08-11-2011 04:25 PM
Boasun Gesh! Now I have to try and capture a green flash at sunset... May take me a few months to do so.
08-11-2011 01:52 PM
padean
Just to keep this interesting thread alive....

Here is a link to a photo and a brief scientific explanation of the green flash.

APOD: 2011 January 4 - A Green Flash from the Sun
08-11-2011 12:39 PM
rbrasi This is a common occurrence if you are at any bar in Waikiki. I saw it from Duke's last year. I hate Dukes.
08-09-2011 10:41 AM
captbillc lmmohr valid or not the green flash exists. i have seen it a few times in the tropics. never was able to get a picture of it
08-09-2011 10:27 AM
lmmohr
Link no good

This link to "green flash" is no longer valid.

http://www.geocities.com/buccaneersa...reperfect.html
08-04-2011 03:34 AM
Omatako
Quote:
Originally Posted by Boatinglifeaway View Post
I have never had the opportunity to see it. It seems that it is a rare experience.
Apparently not

Quote:
Originally Posted by casey1999 View Post
I have never seen the green flash on a sun rise but have seen hundreds on a sunset
I have sailed across oceans for three decades and I've seen it once. I feel positively deprived.
08-03-2011 08:04 PM
St Anna
Quote:
Originally Posted by billyruffn View Post
Green flash is a misnomer. It’s more of a green “wink” -- hard to see unless you’re watching closely. Blink at the wrong moment and you’ll miss it. For a really good sense of how it forms look at the sun through binoculars -- BUT NOT UNTIL the sun is 80-90% below the horizon. What you see is a green edge form first at the sides of the sun and then work it’s way across the bottom and then across the top edge. The middle of the sun (what remains of it) will be orange/yellow surrounded by the flickering green edge. As the sun dips below the horizon the green edges collapse on themselves and in the last instant it “winks” all green.

I always thought it was an urban, no maritime myth -- but it’s real and has nothing to do with the rum you may be drinking at the time.
Absolutely true.

You can only see it in certain locations, in my experience, in the tropics and only when the sun sets over a very long fetch of water (a sea or an ocean)

I also think it is not believed untill seen, then you want to see another one!
07-31-2011 02:51 AM
Boatinglifeaway I have never had the opportunity to see it. It seems that it is a rare experience. I don't think there is any reason to worry.
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