M73 Observation Details
M73 Daily Motion
Tonight, observing M73 may prove challenging owing to its low elevation. It will reach its transit at by 11:19 and set before sunset at 16:35. Rising near twilight's end at 05:59, it will fade away by 06:14, peaking at just 3° above the horizon.M73 will become visible in May, 9. After being too close to the Sun to observe, it will reappear in the night sky. Starting from May, 9, M73 can be seen again, providing a good opportunity for observation.
M73 Visibility Timetable on February 23
M73 Rise and Set Timetable
| Time | Elevation | |
| Moon Rise, 34.4% illuminated | 03:37 | -28° |
| M73 transit | 11:19 | 37° |
| Moon Set | 12:17 | 36° |
| M73 set | 16:35 | |
| Astrosession begin | 19:46 | -36° |
| Astrosession end | 05:43 | -3° |
| M73 rise | 05:59 | |
| Civil sunrise | 06:46 | 8° |
| Sunrise | 07:14 | 13° |
Track M73 Position Throughout the Night
← Sun, 23 February 2025 →
| Time | |
| Altitude | |
| Azimuth |
Shift the map to change the time and observe M73 changing position in the night sky.
M73 - Asterism
M73 is an asterism located in the constellation Aquarius. It was discovered by Charles Messier in 1780. The asterism consists of four stars that form a small Y-shaped pattern.
M73 spans about 1.5 light-years across and contains no physical connection between its stars. The asterism is approximately 2,500 light-years away from Earth and has an apparent magnitude of 9.0, making it visible with a small telescope.
Finder Chart for M73
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| Object name | M73 |
| Field of view | |
| Limiting magnitude | |
| M73 coordinates | 20.98221, -12.6355 |
| Center coordinates | 20.98221, -12.6355 |
M73 Passage Through Night
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Current position of M73
| Time | 09:41 |
| Latitude | 39.9625 |
| Longitude | -83.0061 |
| M73 elevation | 33° |
| M73 Azimuth | -151° |
Here you can see the current position of the M73 on the map, as well as its positions for rise and set. This tool allows you to track the M73's movement throughout the night, providing you with accurate and up-to-date information.
Annual motion of M73
| Date | Sun, 23 February 2025 |
| Twighlight start | 19:42 |
| Twighlight end | 05:38 |
| Twighlight duration | 10h 56m |
| Rise | 05:59 |
| Set | 16:31 |
| Elevation at transit | 37° |
| Transit time | 11:15 |
| Equatorial coordinates | RA: 20h 58m 55s", Dec: -12° 38' 07s |
| Magnitude | 9 |
| Constellation | Aquarius |
The graph illustrates the annual visibility pattern of a M73, providing a comprehensive overview of its daily appearances and transit times throughout the year.
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 M73 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.
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 M73 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.