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 two photographs of Saturn and its satellite (IX), Phoebe, supplied by the Royal Observatory, Greenwich, 1911. One of two photographs of Saturn and its satellite (IX) 1911
One of two photographs of Saturn and its satellite (IX), Phoebe, supplied by the Royal Observatory, Greenwich, 1911. One of two photographs of Saturn and its satellite (IX) 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
Selection of two photographs of Saturn and its satellite (IX), Phoebe, supplied by the Royal Observatory, Greenwich, 1911. Selection of two photographs of Saturn and its satellite (IX) 1911