NGC1840 Position and Visibility Tonight
Where is NGC1840 right now?
NGC1840 is located in the constellation Mensa. At the current time, it is below the horizon and not visible from your location.
NGC1840 Visibility on July 20
NGC1840 is Not visible tonight
NGC1840 Rise and Set Timetable
| Time | Elevation | |
| NGC1840 is always below the horizon | - | |
| NGC1840 transit | 08:23 | -19° |
Moon Rise, 25.8% illuminated  | 09:58 | -20° |
| Astrosession begin | 20:12 | -56° |
| Moon Set | 21:33 | -54° |
| Astrosession end | 02:15 | -36° |
Track NGC1840 Position Throughout the Night
← Mon, 20 July 2026 →
| Time | |
| Altitude | |
| Azimuth |
Shift the map to change the time and observe NGC1840 changing position in the night sky.
Finder Chart for NGC1840
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| Object name | NGC1840 |
| Field of view | |
| Limiting magnitude | |
| NGC1840 coordinates | 5.08866, -71.76289 |
| Center coordinates | 5.08866, -71.76289 |
NGC1840 Passage Through Night
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Current position of NGC1840
| Time | 10:38 |
| Latitude | 37.3541 |
| Longitude | -121.955 |
| NGC1840 elevation | -22° |
| NGC1840 Azimuth | 191° |
Here you can see the current position of the NGC1840 on the map, as well as its positions for rise and set. This tool allows you to track the NGC1840's movement throughout the night, providing you with accurate and up-to-date information.
Annual motion of NGC1840
| Date | Mon, 20 July 2026 |
| Twighlight start | 20:08 |
| Twighlight end | 02:09 |
| Twighlight duration | 6h 1m |
| Rise | NGC1840 is always down |
| Set | NGC1840 is always down |
| Elevation at transit | -19° |
| Transit time | 08:19 |
| Equatorial coordinates | RA: 05h 05m 19s", Dec: -71° 45' 46s |
| Magnitude | - |
| Constellation | Mensa |
The graph illustrates the annual visibility pattern of a NGC1840, 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 NGC1840 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.
You can also view detailed visibility information in a dedicated table, including exact rise, transit, and set times for each date.
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 NGC1840 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.
You can also view detailed visibility information in a dedicated table, including exact rise, transit, and set times for each date.
Astrometric & Physical Parameters of NGC1840
Coordinates & Visibility
| Right Ascension | 5.08866° |
| Declination | -71.76289° |
| Magnitude | |
| Constellation | Mensa |
| Elevation | -21.7° |
| Azimuth | 190.8° |
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.