A set of 7 Reference Line Maps, charts and DSS images of M33 (Pinwheel Nebula) & NGC 604. This series of maps has been developed for use with the Reference Line Method. This method adapts well to both binoculars and telescopes.
You can't see the whole sky through a bamboo tube.
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