GA 2018 June 28–July 1 Registration Now Open
R.A. Rosenfeld © Pencil sketch of the Moon as observed by the unaided eye. 2013 October 13, UTC 00:25.
The Moon 20131013
R.A. Rosenfeld © Pencil sketch of the Moon as observed by the unaided eye. 2013 October 13, UTC 00:25.