Podobné jednotky

• Spectroscopic observations made at the Royal Observatory, Greenwich
  Vydáno: (1878)
• Results of the astronomical observations made at the Royal Observatory, Greenwich
  Vydáno: (1883)
• Spectroscopic and photographic observations made at the Royal Observatory, Greenwich.
  Vydáno: (1882)
• Results of the spectroscopic and photographic observations made at the Royal Observatory, Greenwich
  Vydáno: (1892)
• Five-year catalogue, of 258 fundamental stars, deduced from observations extending from 1887 to 1891, made at the Royal observatory, Greenwich /
  Autor: Christie, William Henry Mahoney
  Vydáno: (1893)