Star chart used for training during the Gemini program, 7 x 9, depicting the area of the Bootes constellation. In very good condition, with significant silvering to borders. Accompanied by a letter of provenance from Robert L. Pearson, in part: “I certify that I was employed by the Manned Spacecraft Center of NASA during the Gemini program. I worked Flight Crew Training…I trained the flight crews in the Gemini Mission Simulator. This star chart was used by the flight crews during training.”
