Asaph Hall's original Mars moons notes by Tom and Jennifer Polakis

Tom and Jennifer Polakis | all galleries >> 2019 >> Washington DC -- October 2019 >> U.S. Naval Observatory > Asaph Hall's original Mars moons notes

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17-Oct-2019	Tom Polakis

Canon EOS 6D
1/13s f/4.0 at 24.0mm iso1600 full exif

other sizes: small medium original auto

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