- Instance of
- Part of
Overview
All data
29 statements · 79% with external sources · numbers in brackets are citations
- Catalog code
- M 18 catalog: Messier object
1
- NGC 6613 catalog: New General Catalogue
1
- OCl 40 catalog: Catalogue of Star Clusters and Associations
1
- Collinder 376 catalog: Collinder catalogue
- C 1817-171 catalog: Caldwell catalogue
1
- OCISM 8 catalog: Catalog of open clusters and associated interstellar matter
1
- [KPS2012] MWSC 2892 catalog: Global survey of star clusters in the Milky Way. III. 139 new open clusters at high Galactic latitudes
1
- M 18 catalog: Messier object
- Discovered
- June 3, 1764
1
- June 3, 1764
- Radius
- 9 ly
- Distance from Earth
- 1,296 pc
1
- 1,296 pc
- Right ascension
- 274.9917 degree
1
- 274.9917 degree
- Declination
- -17.1017 degree
1
- -17.1017 degree
- Radial velocity
- -14 kilometre per second
1
- -14 kilometre per second
- Right ascension component of proper motion
- 0.45 milliarcsecond per year
- Declination component of proper motion
- -1.28 milliarcsecond per year
On other databases
3 identifiers linking Messier 18 across the web's reference databases