A set of 7 Reference Line Maps, star charts and DSS photos of M46 and NGC 2438. These maps works well with red dot finders and green laser pointers. The Reference Line Method method adapts well to both binoculars and telescopes.
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A set of 7 Reference Line Maps, star charts and DSS photos of M47. 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, star charts and DSS photos of M93. These maps works well with red dot finders and green laser pointers. The Reference Line Method method adapts well to both binoculars and telescopes.