The Merope Nebula is a diffuse reflection nebula in the Pleiades star cluster, surrounding the 4th magnitude star Merope. It was discovered on October 19, 1859 by the German astronomer Wilhelm Tempel. John Herschel, in his New General Catalogue, described it as a very faint nebula about the size of the full moon.

Magnitude: 13

Constellation: Taurus

Apparent magnitude (V): 13

Absolute magnitude (V): 8

Apparent dimensions (V): 30′

Distance: 440 ly (130 pc)