Green Flash At Sunset
Taken by Noeleen Lowndes on October 30, 2013 @ Pacific Ocean, North Queensland, Australia
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Date Taken: 2013:11:23 21:41:29
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We have just returned from a cruise around the top end of Australia and for two consecutive evenings off the coast of far northern Queensland we witnessed the elusive green flash at sunset…it was just amazing!

Many people turn away once the sun has nearly set, but please don’t do that, as it’s only when the sun has nearly disappeared below the horizon that this eye popping green flash may suddenly appear.

I also think the atmospheric conditions have to be just right as both times there has been this unusual mirage shape as the sun neared the horizon. I also found that I had to do exposure compensation on the camera to capture it, the first green flash was missed because the sun was just too bright and the camera could not record it.

I was just amazed that it happened again the following evening, which gave me a very rare second chance to capture it :-)

I used a Canon 7D with a 100-400mm lens set @ 400, hand held on a moving cruise ship.
First 3 images: @ F8, exposure 1/500th second, ISO 100 (-1 compensation)
Setting Sun images both @ F6.3, exposure 1/350th second, ISO 100 (-2 compensation)
Green Flash image: @ F 6.7, exposure 1/350th second, ISO 100 (-1 ½ compensation)
Separate Green flash image: @ f5.6 exposure 1/250th second ISO 100 (-1 compensation)
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