What is the formal catalog designation for the nebula commonly known as the Eskimo Nebula?

Answer

NGC 2392

NGC 2392 is the official catalog entry for this object, which is found in the constellation Gemini. While historically referred to by nicknames, astronomers utilize this catalog number to precisely identify the planetary nebula in scientific records and databases.

What is the formal catalog designation for the nebula commonly known as the Eskimo Nebula?
astronomyDistancenebula