M54 · globular cluster
Messier 54
Messier 54 is a globular cluster in the constellation Sagittarius.
RA18h 55m 03sDec−30° 28' 47"
Identity & coordinates
Identification
- Primary designation
- M54
- All designations
- M54 · NGC 6715
- Object type
- Globular Cluster
- Constellation
- Sagittarius
- Best viewing
- Summer
Coordinates & physical
- Right ascension (J2000)
- 18h 55m 03s
- Declination (J2000)
- −30° 28' 47"
- Apparent magnitude (V)
- —
- Distance
- —
- Redshift (z)
- 0.000474
Visibility tonight
The science
Messier 54 is a globular cluster in the constellation Sagittarius. It was discovered by Charles Messier in 1778 and then included in his catalog of objects that could be mistaken for comets.
Summary adapted from Wikipedia · CC-BY-SA-4.0
References
- SIMBAD Not resolved
- NED Fetched May 8, 2026 View in NED ↗
- Wikipedia Fetched May 8, 2026 Read full article ↗
Wikipedia title resolved via designation — fell back to an alternate catalog designation.
1 merge conflict resolved
- coordinates: SIMBAD missing → NED used