Comet 90004906 C/2025 F2 (SWAN) Observation Details
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C/2025 F2 (SWAN) Daily Motion
Tonight, observing C/2025 F2 (SWAN) may prove challenging owing to its low elevation. It will reach its transit at by 10:15 and set before sunset at 16:14. Rising near twilight's end at 04:13, it will fade away by 05:50, peaking at just 13° above the horizon.90004906 C/2025 F2 (SWAN) will become visible in June, 29. After being too close to the Sun to observe, it will reappear in the night sky. Starting from June, 29, 90004906 C/2025 F2 (SWAN) can be seen again, providing a good opportunity for observation.
C/2025 F2 (SWAN) Visibility Timetable on August 13
C/2025 F2 (SWAN) Rise and Set Timetable
| Time | Elevation | |
| C/2025 F2 (SWAN) transit | 10:15 | 33° |
| C/2025 F2 (SWAN) set | 16:14 | |
| Astrosession begin | 20:19 | -29° |
| Moon Rise, 75.6% illuminated | 22:41 | -33° |
| C/2025 F2 (SWAN) rise | 04:13 | |
| Astrosession end | 05:50 | 13° |
| Civil sunrise | 06:39 | 19° |
| Sunrise | 07:02 | 21° |
| Moon Set | 11:07 | 32° |
Track C/2025 F2 (SWAN) Position Throughout the Night
← Wed, 13 August 2025 →
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| Altitude | |
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Shift the map to change the time and observe C/2025 F2 (SWAN) changing position in the night sky.
C/2025 F2 (SWAN) Description
C/2025 F2 (SWAN), designated as 90004906 C/2025 F2 (SWAN), is a comet on a hyperbolic (unbound) trajectory. At the moment, 90004906 C/2025 F2 (SWAN) is 2.087 AU (312,210,756 km) from Earth, and it is located in the constellation Carina.Current position of C/2025 F2 (SWAN) in Solar System
| Date | Wed, 13 August 2025 |
| Distance from Earth to C/2025 F2 (SWAN) | 2.087 AU (312,210,756km) |
| Elongation | 79° |
| Angular diameter | " |
| Magnitude | 18.2 |
Finder Chart for C/2025 F2 (SWAN)
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| Object name | 90004906 C/2025 F2 (SWAN) |
| Field of view | |
| Limiting magnitude | |
| 90004906 C/2025 F2 (SWAN) coordinates | 6.73024, -56.75344 |
| Center coordinates | 6.73024, -56.75344 |
Annual motion of C/2025 F2 (SWAN)
| Date | Thu, 14 August 2025 |
| Twighlight start | 20:15 |
| Twighlight end | 05:45 |
| Twighlight duration | 9h 30m |
| Rise | 04:13 |
| Set | 16:11 |
| Elevation at transit | 33° |
| Transit time | 10:12 |
| Equatorial coordinates | RA: 06h 44m 30s", Dec: -57° 18' 09s |
| Magnitude | 18 |
| Constellation | Carina |
The graph illustrates the annual visibility pattern of a C/2025 F2 (SWAN), 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 C/2025 F2 (SWAN) 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 C/2025 F2 (SWAN) 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.
Acknowledgments
We acknowledge NASA's Jet Propulsion Laboratory (JPL) for providing essential data on asteroids and comets through their Small-Body Database (SBDB) and Center for Near-Earth Object Studies (CNEOS). Their continuous efforts in tracking and cataloging these celestial bodies make it possible to offer accurate and up-to-date information on their positions, orbits, and physical characteristics.