Periodic Comet 46P/Wirtanen (8 Dec 18)
Taken by Jan Curtis on December 8, 2018 @
Vail, Arizona
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Details:
In this image I tried to combine fixed stars and fixed comet. My problem, other than a speedy little comet was the fact that for the second night, I was fighting humidity of 95%. It is amazing I was able to capture 17x120s, iso 2200, with my Nikkor 180 mm ED f/2.8 @ f/4, Nikon d7100. Moisture was dripping everywhere but on my lens. Still, the atmospheric transparency was marginal despite not a cloud in the sky. At least the temperature was a mild 49F.
It appears that the coma has become more asymmetrical with the tail becoming more fan shaped but if so the appearance is subtle.
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