Comet 90004796 C/2023 H5 (Lemmon) Observation Details
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C/2023 H5 (Lemmon) Daily Motion
C/2023 H5 (Lemmon) is circumpolar, never setting below the horizon and always visible in the night sky from your location. However, it will change its position significantly, moving 54 degrees over time. You can find the best times to observe C/2023 H5 (Lemmon), when it reaches its highest elevation, in the annual motion section.90004796 C/2023 H5 (Lemmon) will be visible until January, 1, 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.
C/2023 H5 (Lemmon) Visibility Timetable on October 14
C/2023 H5 (Lemmon) Rise and Set Timetable
| Time | Elevation | |
| C/2023 H5 (Lemmon) is always above the horizon | ||
| C/2023 H5 (Lemmon) transit | 11:55 | 64° |
| Moon Set | 13:26 | 61° |
| Sunset | 16:31 | 42° |
| Civil sunset | 16:59 | 39° |
| Astrosession begin | 17:59 | 32° |
| C/2023 H5 (Lemmon) is always above the horizon | ||
| Moon Rise, 44.2% illuminated | 22:18 | 12° |
| Astrosession end | 03:48 | 21° |
| Civil sunrise | 04:49 | 26° |
| Sunrise | 05:16 | 29° |
Track C/2023 H5 (Lemmon) Position Throughout the Night
← Tue, 14 October 2025 →
| Time | |
| Altitude | |
| Azimuth |
Shift the map to change the time and observe C/2023 H5 (Lemmon) changing position in the night sky.
C/2023 H5 (Lemmon) Description
C/2023 H5 (Lemmon), designated as 90004796 C/2023 H5 (Lemmon), is a comet on a hyperbolic (unbound) trajectory. At the moment, 90004796 C/2023 H5 (Lemmon) is 4.599 AU (687,940,768 km) from Earth, and it is located in the constellation Draco.Current position of C/2023 H5 (Lemmon) in Solar System
| Date | Tue, 14 October 2025 |
| Distance from Earth to C/2023 H5 (Lemmon) | 4.5986 AU (687,940,768km) |
| Elongation | 72° |
| Angular diameter | " |
| Magnitude | 16.9 |
Finder Chart for C/2023 H5 (Lemmon)
Double-click to unlock the map.
| Object name | 90004796 C/2023 H5 (Lemmon) |
| Field of view | |
| Limiting magnitude | |
| 90004796 C/2023 H5 (Lemmon) coordinates | 14.31904, 63.19411 |
| Center coordinates | 14.31904, 63.19411 |
Annual motion of C/2023 H5 (Lemmon)
| Date | Wed, 15 October 2025 |
| Twighlight start | 17:57 |
| Twighlight end | 03:46 |
| Twighlight duration | 10h 49m |
| Rise | 90004796 C/2023 H5 (Lemmon) is always up |
| Set | 90004796 C/2023 H5 (Lemmon) is always up |
| Elevation at transit | 64° |
| Transit time | 11:55 |
| Equatorial coordinates | RA: 14h 21m 57s", Dec: 63° 12' 15s |
| Magnitude | 17 |
| Constellation | Draco |
The graph illustrates the annual visibility pattern of a C/2023 H5 (Lemmon), 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/2023 H5 (Lemmon) 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/2023 H5 (Lemmon) 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.
Astrometric & Physical Parameters of 90004796 C/2023 H5 (Lemmon)
Coordinates & Visibility
| Right Ascension | 14.31904° |
| Declination | 63.19411° |
| Magnitude | 16.9 |
| Constellation | Draco |
| Elevation | 16.4° |
| Azimuth | 19° |
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.