Set of 24 Reference Line Maps of Asteroid Ceres, Feb. 2010 thru June 2010. This series of maps has been developed for use with the Reference Line Method. It adapts well to both binoculars and telescopes.
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You can't see the whole sky through a bamboo tube. --Japanese
How vast these Orbs must be, and how inconsiderable this Earth.--Christian Huygens, 1689
The human search for the structure of the universe is more important than finding it.--Joseph Silk