Monoceros Constellation
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Monoceros, the unicorn, is a faint constellation located near Orion, known for containing several star clusters and nebulae.
Monoceros Rise and Set Timetable
| Time | Elevation | |
Moonrise, 96.4% illuminated  | 18:23 | -49° |
| Astronomical observing session begins | 23:23 | -23° |
| Monoceros rise | 01:21 | |
| Astronomical observing session ends | 03:38 | 27° |
| Civil sunrise | 04:10 | 32° |
| Sunrise | 04:38 | 37° |
| Moonset | 07:13 | 54° |
| Monoceros transit | 07:24 | 54° |
Track Monoceros Position Throughout the Night
← 30 August 2026 →
| Time | |
| Altitude | |
| Azimuth |
Shift the map to change the time and observe Monoceros changing position in the night sky.
Nebulae in the constellation Monoceros
Rosette Nebula (NGC2237)
Nebula
NGC2237 is a nebula with apparent magnitude in the constellation Monoceros, spanning approximately 1.3 arcminute in the sky.
Rosette Nebula (NGC2238)
HII Ionized region
NGC2238 is a hii ionized region with apparent magnitude 6.00 in the constellation Monoceros, spanning approximately 1.3 arcminute in the sky.
M50
Open Cluster
An open star cluster containing over 200 stars, located approximately 3,000 light-years away in the constellation Monoceros.
Annual motion of Monoceros
| Date | Mon, 31 August 2026 |
| Twilight start | 19:06 |
| Twilight end | 02:59 |
| Twilight duration | 8h 53m |
| Rise | 01:17 |
| Set | 13:22 |
| Elevation at transit | 54° |
| Transit time | 07:20 |
| Equatorial coordinates | RA: 06h 52m 00s", Dec: 01° 10' 40s |
| Magnitude | - |
| Constellation |
The graph illustrates the constellation’s annual visibility pattern and its daily rise, set, and transit times throughout the year.
The vertical axis shows the hours of the day, while the horizontal axis spans the days of the year.
The reddish area marks when the constellation is above the horizon. The white line shows when it reaches its highest point in the sky. View detailed visibility information in a table with rise, transit, and set times for each date.
The vertical axis shows the hours of the day, while the horizontal axis spans the days of the year.
The reddish area marks when the constellation is above the horizon. The white line shows when it reaches its highest point in the sky. View detailed visibility information in a table with rise, transit, and set times for each date.
Acknowledgements
We gratefully acknowledge the International Astronomical Union (IAU) for defining and standardizing the official constellation boundaries used in celestial mapping.
Special thanks to Sky & Telescope Magazine and contributors Roger Sinnott and Rick Fienberg for producing the charts and tables. Alan MacRobert’s constellation patterns were influenced by the work of H. A. Rey and adjusted to align with earlier traditions.