Contents Include; Cover-Northern California Conducts a full program of Observing occultations with a 3.5 Inch Telescope, Meteorite Studies at Campo Del Cielo , Current Planetary Activity in Canada, Calgarys Planetarium and Museum, Sprial Patterns in Galaxies Part II, Mercury's Rotation and Visual Observations, Photographs by Lunar Orbiter, Some wear that is slight, soiling of cover corners and some creasing on cover edge, Overall Good Condition!