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Astronomical objects discovered in 1851

  • Ariel (moon)William Lassell spotted Ariel on the 24th of October 1851. He was observing Uranus from his private observatory in England when he found this faint satellite.
  • UmbrielOn the 24th of October 1851, William Lassell spotted a faint point of light moving against the dark backdrop of space. He was standing at his observatory in…