Complex sentence: IC 2602, ggenerally known as the Southern Pleiades or Theta Carinae Cluster, is an open cluster in the constellation Carina that was discovered by Abbe Lacaille in 1751 from South Africa.
Split into simpler sentences: IC 2602, also known as the Theta Carinae Cluster or Southern Pleiades, is an open cluster in the constellation Carina. It was discovered by Abbe Lacaille in 1751 from South Africa.