Jean-Jacques d’Ortous de Mairan

Messier 43: De Mairan’s Nebula

by admin
May 15, 2015March 1, 2022

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

Messier 42: Orion Nebula

by admin
May 14, 2015February 26, 2023

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