n MNASSA : Monthly Notes of the Astronomical Society of South Africa - Photographing the Moon's parallax : observers page




The total eclipse of the Moon on 15 June 2011 was a great opportunity to document the lunar parallax. We all know that the position of the Moon relative to the stars depends on the observer's location on the Earth's surface. When the Moon is observed at the same time at two different sites, the difference between the two positions of the Moon relative to the background stars is the parallax.


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