https://www.astronomyedinburgh.org/2023/04/12/c039/
C39 NGC 2392 Eskimo Nebula/Clown Face Nebula - Astronomical Society of Edinburgh
Apr 13, 2024 - C39 NGC 2392 Eskimo Nebula/Clown Face Nebula Planetary Nebula Gemini mag. 10 Hugh Somerville
eskimo nebulaclown faceastronomical societyngcedinburgh