instruction: What are some great comets named after people?
response: Great comets named after people: 
  - Aristotle's Comet
  - Caesar's Comet
  - Donati's Comet
  - Halley's Comet
  - Comet Skjellerup–Maristany
  - Comet Arend–Roland
  - Comet Mrkos
  - Comet Ikeya–Seki
  - Comet Bennett
  - Comet Kohoutek
  - Comet West
  - Comet Hyakutake
  - Comet Hale–Bopp
  - Comet McNaught
  - Comet Lovejoy