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Ernie Mastroianni | all galleries >> Astrophotography >> Deep Sky > M-51, the Whirlpool Nebula
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M-51, the Whirlpool Nebula
Ernie Mastroianni

M-51, the Whirlpool Nebula

M51, known as the Whirlpool nebula, located off the Big Dipper's handle, in the constellation Canes Venatici. This image is a combination of two exposures of eight minutes each, using a Nikon D300 and a Sigma 500mm f/4.5 lens with a 2x teleconverter, which is equivalent to a 110mm f/9 refractor. It was taken on May 17, 2009 from Harrington Beach State Park in Lake Church, Wisconsin. At lower right is the 15th magnitude galaxy IC4263.

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