First two are lithographed celestial charts of the northern and southern skies with the zodiac constellations and stars shown. The stars are depicted down to the fifth magnitude, or the faintest that can been seen with the naked eye. Recent discoveries with telescope are shown in red. Both sized 13.7" x 11.1". The third is a near-photographic chart of the surface of the moon with hundreds of features named in panels at sides. Size is 16.2" x 13.2". Lot of three charts.