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Moonbow Reflection from Southside Drive

The position of the rainbow isn't ideal, but for the novelty of catching it from Southside Drive it's a fun variation.

 

This area was packed with photographers this year, which is very strange, given that moonbows are only visible as the colorful refracted light exits the water drops at 21 degrees off axis from the moon's direction. The colors are separated by fractions of a degree as white light goes from air to water and back to air after two reflections within the water drop. It's not like the rainbow simply exists there, and can be seen from all directions!

 

So photographers positioning themselves in other places is like shooting a game of pool blindfolded. Sure, you might get lucky from time to time, but you'll waste a lot of time too.

 

But even a broken clock is right twice a day (as long as it's not digital), so by all means, if you don't want to review the trigonometry (or find a high school student who will do the math for you), take all the "blind pool shots" you want, and see if you can get lucky!

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Uploaded on May 12, 2017
Taken on May 10, 2017