Orion 4150 DeepMap 600 Folding Star Chart Full-color star map of the night sky with clearly indicated positions of 600 of the finest celestial objects to view Star chart conveniently folds up just like a road map for easy storage and transport Orion DeepMap 600 shows the night sky from declination +70 degrees to -60 degrees Back of chart lists essential data for all 600 objects of interest, including a brief visual description of each object - an ideal reference for beginners and advanced observers alike!