A set of 7 Reference Line Maps, star charts and DSS photos of M48. These maps works well with red dot finders and green laser pointers. The Reference Line Method method adapts well to both binoculars and telescopes.
A set of 7 Reference Line Maps, charts and DSS photos of M83. This series of maps has been developed for use with the Reference Line Method. This method adapts well to both binoculars and telescopes.
A set of 7 Reference Line Maps, charts and DSS photos of M68. This series of maps has been developed for use with the Reference Line Method. This method adapts well to both binoculars and telescopes.