One of three photographs showing Jupiter's outer satellites (VI, VII, VIII), Himialia, Elara & Pariphae supplied by the Royal Observatory, Greenwich. One of three photographs showing Jupiter's outer satellites 1911
One of three photographs showing Jupiter's outer satellites (VI, VII, VIII), Himialia, Elara & Pariphae supplied by the Royal Observatory, Greenwich. One of three photographs showing Jupiter's outer satellites 1911
One of three photographs showing Jupiter's outer satellites (VI, VII, VIII), Himialia, Elara & Pariphae supplied by the Royal Observatory, Greenwich. One of three photographs showing Jupiter's outer satellites 1911
Transparency, 40"x51 1/2", of Crab Nebula in Taurus (M.1. N.G.C. 1952) photographed in red light by the 200-inch Hale telescope Transparency, 40"x51 1/2"
Transparency, 15"x12", Modern Astronomers (from photo taken at Royal Observatory) Transparency, 15"x12", Modern Astronomers (from photo taken at Royal Observatory)
Transparency, 40"x51 1/2", of Spiral galaxy in Pegasus, N.G.C. 7217, photographed by the 200-inch Hale telescope Transparency, 40"x51 1/2"