Speaking of the Green Flash:
I finally saw one, and WOW was it spectacular!
Early morning of the 11th (two days ago), over the Atlantic eastbound to Madrid. The first light of dawn begins. There is an area of small clouds at the horizon near the impending sunrise, and the Captain and I remark that the clouds are shaping the pre-sunrise light in a strange way. But it's rather interesting, so we're looking right at it. All of a sudden, just as the sun itself begins to emerge ....
GREEN ! A distinct, bright, full-bodied green, almost like a Christmas bulb or reflective ornament.
It lasted probably a full second or two; certainly long enough for both of us to make sure each other saw it and to say "Whoa!" or some other appropriate one word comment
Might never see one again, but the memory of that one will last a lifetime!