Blue moon, real and faux

July 31, 2015  •  Leave a Comment

Blueist moonBlueist moon

OK, let me admit that this image of today's blue moon, a genuine astronomical event that is said to occur when there are two full moons in one month, the latter being the blue one, is a Photoshop fake. The horizon line is real, the full moon is real, but the picture is a composite, since the moon in the former shot was overexposed to properly expose the tree-line, so I inserted a properly exposed moon, perhaps a bit on the large size for dramatic impact.  But, since it's midsummer, the rising Blue Moon was warm orange, not cold blue. That bit of image manipulation was achieved with a digital cooling filter, a Number 80, if you'd like to try this at home, but the blueness is not so far-fetched. Were a volcano to erupt with enough oomph to throw tiny dust particles into the atmosphere, they would act like natural cooling filters and give us a moonrise worthy of the blue name. This didn't happen in July so, while I sang the Marcels's do-wop version of the Rodgers and Hart classic to honor a real Blue Moon, I engaged in a fun bit of blue lunacy.


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