Downloadable Deep Sky Field Guides at Amazon (click book cover for info.)A set of 8 Reference Line Maps, star charts and DSS photos of M42, the Great Orion Nebula & m43. These maps works well with red dot finders and green laser pointers. The Reference Line Method method adapts well …
A set of 8 Reference Line Maps, star charts and DSS photos of M78, NGC 2064 & NGC 2071. This series of maps has been developed for use with the Reference Line Method. This method adapts well to both binoculars and telescopes.