M54 Position and Visibility Tonight
Where is M54 right now?
Twilight begins at 18:57 local time. At that moment, M54 will be 20° above the horizon toward the south-east.
M54 visibility on 2026-08-18
M54 rise and set timetable
| Time | Elevation | |
Moonrise, 21% illuminated ![]() | 09:49 | -70° |
| M54 rise | 16:03 | |
| Sunset | 17:55 | 15° |
| Civil sunset | 18:24 | 17° |
| Twilight start | 18:57 | 20° |
| Astronomical observing session begins | 19:32 | 21° |
| M54 transit | 20:16 | 22° |
| Moonset | 20:26 | 22° |
| M54 set | 00:29 | |
| Astronomical observing session ends | 02:51 | -24° |
Track M54 Position Throughout the Night
← 18 August 2026 →
| Time | |
| Altitude | |
| Azimuth |
M54 - Globular Cluster
M54 is a globular cluster located in the constellation Sagittarius. It was discovered by Charles Messier in 1778. The cluster contains a rich population of old stars and is one of the most massive globular clusters known.
M54 spans about 150 light-years across and contains around 1 million stars. The cluster is approximately 87,000 light-years away from Earth and has an apparent magnitude of 7.6, making it visible with binoculars or a small telescope.
M54 — Image Gallery
DSS Blue
DSS Red
DSS Near-Infrared
DSS Composite Image
The images come from the Digitized Sky Survey 2 (DSS2), produced at the Space Telescope Science Institute (STScI) under contract with NASA, using data from UK Science and Technology Facilities Council (STFC), European Southern Observatory (ESO), National Geographic Society-Palomar Observatory Sky Survey (POSS II).
Special thanks to National Optical Astronomy Observatory (NOAO), Royal Observatory, Edinburgh, California Institute of Technology for their significant contributions.
Finder Chart for M54
| Object name | M54 |
| Field of view | |
| Limiting magnitude | |
| M54 coordinates | 18.91758, -30.4785 |
| Center coordinates | 18.91758, -30.4785 |
M54 Passage Through Night
Current position of M54
| Time | 09:37 |
| Latitude | 37.3541 |
| Longitude | -121.955 |
| Elevation | -72° |
| Azimuth | 73° |
Annual motion of M54
M54 will remain visible until December 11, when it moves too close to the Sun and temporarily disappears from the night sky.
| Date | Tue, 18 August 2026 |
| Twilight start | 19:28 |
| Twilight end | 02:44 |
| Twilight duration | 7h 17m |
| Rise | 16:00 |
| Set | 00:25 |
| Elevation at transit | 22° |
| Transit time | 20:12 |
| Equatorial coordinates | RA: 18h 55m 03s", Dec: -30° 28' 42s |
| Magnitude | 8 |
| Constellation | Sagittarius |
You can also view detailed visibility information in a table with exact rise, transit, and set times for each date.
Astrometric and Physical Parameters of M54
Coordinates and Visibility
| Right Ascension | 18.91758° |
| Declination | -30.4785° |
| Magnitude | 7.70 |
| Constellation | Sagittarius |
| Elevation | -72.2° |
| Azimuth | 73.1° |
Data Credits
The deep-sky information on this page comes from the OpenNGC project developed by Matteo Verga. OpenNGC provides detailed catalog data for nebulae, galaxies, clusters and other deep-sky objects.
For details or contributions, visit the official repository: OpenNGC GitHub.
