A set of 7 Reference Line Maps, star charts and DSS photos of M17 aka  Swan Nebula, Omega Nebula, Horseshoe Nebula, Lobster Nebula or Checkmark Nebula.  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 M19.  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 M14.  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 M12.  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 M10.  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 images of M18 .  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 images of M16 (Eagle Nebula or Star Queen Nebula).  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 images of M11, the Wild Duck Cluster.  This series of maps has been developed for use with the Reference Line Method.  This method adapts well to both binoculars and telescopes.

Set of 7 Reference Line Maps, Charts and DSS Images for M13.  This series of maps has been developed for use with the Reference Line Method.  It adapts well to both binoculars and telescopes.

7  Reference Line Maps and DSS Images of M15.  This series of maps has been developed for use with the Reference Line Method.  It adapts well to both binoculars and telescopes.