M25 Observation Details
M25 Daily Motion
M25 will be visible until September, 29, when it will move too close to the Sun. During this time, its proximity to the Sun will cause it to disappear from the night sky, making it unobservable for a while.
M25 Visibility Timetable on May 09
M25 Rise and Set Timetable
| Time | Elevation | |
| Moon Rise, 87.4% illuminated | 17:00 | -69° |
| Astrosession begin | 22:21 | -18° |
| M25 rise | 00:02 | |
| Astrosession end | 04:35 | 31° |
| Moon Set | 04:45 | 31° |
| M25 transit | 04:54 | 31° |
| Civil sunrise | 05:52 | 29° |
| Sunrise | 06:23 | 27° |
| M25 set | 09:45 |
Track M25 Position Throughout the Night
← Fri, 9 May 2025 →
| Time | |
| Altitude | |
| Azimuth |
M25 - Open Cluster
M25 is an open cluster located in the constellation Sagittarius. It was discovered by Philippe Loys de Chéseaux in 1745 and later included in Messier's catalog in 1764. The cluster contains a mix of young, hot stars and older stars.
M25 spans about 19 light-years across and contains around 86 stars. The cluster is approximately 2,000 light-years away from Earth and has an apparent magnitude of 4.6, making it visible to the naked eye and easily seen with binoculars or a small telescope.
M25 Image Gallery
DSS Blue
DSS Red
DSS Near-Infrared
DSS Composite image
The photos are taken from the Digitized Sky Survey 2 (DSS2), which was produced at the Space Telescope Science Institute (STScI) under NASA contract, using data from the UK Science and Technology Facilities Council (STFC), the European Southern Observatory (ESO), and the National Geographic Society-Palomar Observatory Sky Survey (POSS II).
Special thanks to the National Optical Astronomy Observatory (NOAO), the Royal Observatory, Edinburgh, and the California Institute of Technology for their significant contributions.
Finder Chart for M25
| Object name | M25 |
| Field of view | |
| Limiting magnitude | |
| M25 coordinates | 18.52966, -19.11494 |
| Center coordinates | 18.52966, -19.11494 |
M25 Passage Through Night
Current position of M25
| Time | 06:12 |
| Latitude | 39.9625 |
| Longitude | -83.0061 |
| M25 elevation | 28° |
| M25 Azimuth | 159° |
Annual motion of M25
| Date | Sat, 10 May 2025 |
| Twighlight start | 22:18 |
| Twighlight end | 04:28 |
| Twighlight duration | 6h 10m |
| Rise | 23:58 |
| Set | 09:41 |
| Elevation at transit | 31° |
| Transit time | 04:50 |
| Equatorial coordinates | RA: 18h 31m 46s", Dec: -19° 06' 53s |
| Magnitude | 5 |
| Constellation | Sagittarius |
The graph is structured with the vertical axis showing the hours of the day, ranging from 12 AM to 12 AM the next day, while the horizontal axis spans each day of the year.
The reddish shaded area indicates the periods when the M25 is above the horizon, visible to observers. The white line marks the times when the celestial object reaches its highest point in the sky each day, known as the transit.
Data Credits
The nebulae information on this page is sourced from the OpenNGC project, developed by Matteo Verga. OpenNGC provides detailed data on the NGC catalog, which is a valuable resource for exploring deep-sky objects such as nebulae.
For more details or to contribute to OpenNGC, visit the official GitHub repository: OpenNGC on GitHub.