Comet 90001136 191P/McNaught Observation Details
191P/McNaught Daily Motion
191P/McNaught will rise at 21:23, during twilight, and will ascend to 55° by the time twilight ends at 03:25.90001136 191P/McNaught will be visible until May, 27, 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.
191P/McNaught Visibility Timetable on September 24
191P/McNaught Rise and Set Timetable
| Time | Elevation | |
| Moon Rise, 3.2% illuminated | 06:45 | 83° |
| Moon Set | 17:48 | -8° |
| Astrosession begin | 18:33 | -9° |
| 191P/McNaught rise | 21:23 | |
| Astrosession end | 03:25 | 55° |
| Civil sunrise | 04:27 | 66° |
| Sunrise | 04:54 | 71° |
| 191P/McNaught transit | 06:28 | 84° |
Track 191P/McNaught Position Throughout the Night
← Wed, 24 September 2025 →
| Time | |
| Altitude | |
| Azimuth |
Shift the map to change the time and observe 191P/McNaught changing position in the night sky.
191P/McNaught Description
191P/McNaught, designated as 90001136 191P/McNaught, is an Encke-type comet. At the moment, 90001136 191P/McNaught is 5.494 AU (821,845,822 km) from Earth, and it is located in the constellation Lynx.Current position of 191P/McNaught in Solar System
| Date | Wed, 24 September 2025 |
| Distance from Earth to 191P/McNaught | 5.479 AU (819,646,734km) |
| Elongation | 74° |
| Angular diameter | " |
| Magnitude | 19.1 |
Finder Chart for 191P/McNaught
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| Object name | 90001136 191P/McNaught |
| Field of view | |
| Limiting magnitude | |
| 90001136 191P/McNaught coordinates | 7.57651, 43.59233 |
| Center coordinates | 7.57651, 43.59233 |
Annual motion of 191P/McNaught
| Date | Wed, 24 September 2025 |
| Twighlight start | 18:28 |
| Twighlight end | 03:20 |
| Twighlight duration | 9h 52m |
| Rise | 21:23 |
| Set | 15:33 |
| Elevation at transit | 84° |
| Transit time | 06:28 |
| Equatorial coordinates | RA: 07h 35m 16s", Dec: 43° 36' 21s |
| Magnitude | 19 |
| Constellation | Lynx |
The graph illustrates the annual visibility pattern of a 191P/McNaught, 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 191P/McNaught 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 191P/McNaught 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 90001136 191P/McNaught
Coordinates & Visibility
| Right Ascension | 7.57651° |
| Declination | 43.59233° |
| Magnitude | 19.1 |
| Constellation | Lynx |
| Elevation | 21° |
| Azimuth | 50.5° |
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.