Messier 43: De Mairan’s Nebula
Messier 43 (M43), also known as De Mairan’s Nebula, is a star-forming region located in the constellation Orion. M43 has an apparent magnitude of 9.0… Read More »Messier 43: De Mairan’s Nebula
Henry Draper
Messier 42: Orion Nebula
Messier 42 (M42), the famous Orion Nebula, is an emission-reflection nebula located in the constellation Orion, the Hunter. With an apparent magnitude of 4.0, the… Read More »Messier 42: Orion Nebula