• Messier number
• Messier numbers

Messier number (suomeksi)

Määritelmät:

• (lb, en, astronomy) A (l, en, catalogue) number used to identify any one of more than one hundred (l, en, galaxy, galaxies), (l, en, nebula, nebulae), and other (l, en, deep-sky) objects visible in the night sky; the designation formed by the surname (m, en, Messier, id=number) or letter (m, mul, M, id=Messier) being prepended to the number, as in Messier 31 or M31 (the Andromeda Galaxy).