Upper Sword (NGC1981) Observation Details

NGC1981 Daily Motion
NGC1981 will rise at 00:17, during twilight, and will ascend to 36° by the time twilight ends at 03:39.NGC1981 will be visible until April, 10, 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.
NGC1981 Visibility Timetable on August 31
NGC1981 Rise and Set Timetable
Time | Elevation | |
Moon Rise, 46.4% illuminated | 11:58 | -1° |
Astrosession begin | 19:10 | -54° |
Moon Set | 21:19 | -35° |
NGC1981 rise | 00:17 | |
Astrosession end | 03:06 | 31° |
Civil sunrise | 04:11 | 41° |
Sunrise | 04:39 | 44° |
NGC1981 transit | 06:02 | 48° |
Track NGC1981 Position Throughout the Night
← Sun, 31 August 2025 →
Time | |
Altitude | |
Azimuth |
Where is NGC1981 right now?
NGC1981 is located in the constellation Orion, at right ascension 05h 35m 09s" and declination -4° 25' 30s. Although it is currently above the horizon at an altitude of 3 degrees, NGC1981 is not visible because it is daytime.NGC1981 Image Gallery
DSS Blue

DSS Red

DSS Near-Infrared

DSS Composite image

The photos are taken from the Digitized Sky Survey 2 (DSS2), which was produced at the Space Telescope Science Institute (STScI) under NASA contract, using data from the UK Science and Technology Facilities Council (STFC), the European Southern Observatory (ESO), and the National Geographic Society-Palomar Observatory Sky Survey (POSS II).
Special thanks to the National Optical Astronomy Observatory (NOAO), the Royal Observatory, Edinburgh, and the California Institute of Technology for their significant contributions.
Finder Chart for NGC1981
Object name | NGC1981 |
Field of view | |
Limiting magnitude | |
NGC1981 coordinates | 5.586, -4.42506 |
Center coordinates | 5.586, -4.42506 |
NGC1981 Passage Through Night
Current position of NGC1981
Time | 11:37 |
Latitude | 37.3541 |
Longitude | -121.955 |
NGC1981 elevation | 3° |
NGC1981 Azimuth | 98° |
Annual motion of NGC1981
Date | Sun, 31 August 2025 |
Twighlight start | 19:06 |
Twighlight end | 02:59 |
Twighlight duration | 8h 54m |
Rise | 00:17 |
Set | 11:48 |
Elevation at transit | 48° |
Transit time | 06:02 |
Equatorial coordinates | RA: 05h 35m 09s", Dec: -4° 25' 30s |
Magnitude | 4 |
Constellation | Orion |
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 NGC1981 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 NGC1981
Coordinates & Visibility
Right Ascension | 5.586° |
Declination | -4.42506° |
Magnitude | 4.20 |
Constellation | Orion |
Elevation | 2.9° |
Azimuth | 97.8° |
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.