Charles Messier

Tujuan katalog ini untuk membantu pemburu komet (sepertinya) dan pemerhati astronomi lain untuk membezakan objek-objek dalam langit itu.

• O'Meara, Stephen James (1998). Deep Sky Companions: The Messier Objects. Cambridge University Press.

• Charles Messier Biography at Students for the Exploration and Development of Space. Accessed July 2007
• Short biography of Charles Messier and history of the Messier Object Catalog Diarkibkan 2007-02-13 di Wayback Machine by Jon Zander at OurDarkSkies.com . Accessed July 2007
• Life of a Comet Hunter: Messier and Astrobiology Professor Mark Brake and Martin Griffiths, Astrobiology Magazine European Edition, Spring 2007. Accessed July 2007

• Amateur Photos of Charles Messier Objects Diarkibkan 2012-07-28 di Wayback Machine
• Messier Marathon Attempts to find as many Messier objects as possible in one night.
• New General Catalog and Index Catalog revisions NGC/IC Project is a collaborative effort between professional and amateur astronomers to correctly identify all of the original NGC and IC objects, such that the identity of each of the NGC and IC objects is known with as much certainty as we can reasonably bring to it from the existing historical record. Accessed July 2007
• Clickable table of Messier objects

• Objek Messier
• Senarai objek Messier