Mag 7 Star Atlas Project - Andrew L. Johnson Star Atlas plotting stars down to Magnitude 7.25, including double-stars (marked with a horizontal bar) and 550 DSOs. This is a full color version including different colors and symbols for DSOs, and a representation of the Milky Way. There are 20 primary charts, and one supplemental chart (11a for the Virgo - Coma Berenices region, plotted to Magnitude 8.5). Keywords:star charts; star atlas; stars Downloads: 4,964 Average rating:(1 review)