Messier (crater)
 Messier is a relatively young lunar impact crater located on the Mare Fecunditatis. The crater has a discernible oblong shape that is not caused by foreshortening. The longer dimension is oriented in an east–west direction.Just to the west lies Messier A a similar-sized crater with an oblong doublet form. The longer dimension of this crater is oriented north–south at right angles to Messier. This crater also has a curved bulge extending to the west.