Monoceros Constellation
Double-click to unlock the map.
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 | |
| Monoceros Transit | 11:39 | 54° |
Moon Rise, 91.9% illuminated  | 16:14 | 17° |
| Monoceros Set | 17:42 | |
| Astrosession begin | 21:48 | -44° |
| Moon Set | 01:36 | -43° |
| Astrosession end | 02:39 | -33° |
| Monoceros Rise | 05:33 |
Track Monoceros Position Throughout the Night
← Sat, 27 June 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 A (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.
Rosette B (NGC2246)
Nebula
NGC2246 is a nebula with apparent magnitude in the constellation Monoceros, spanning approximately 10 arcseconds in the sky.
Christmas Tree Cluster (NGC2264)
Star cluster + Nebula
NGC2264 is a star cluster + nebula with apparent magnitude 3.90 in the constellation Monoceros, spanning approximately 11.4 arcseconds in the sky.
Great Bird Cluster (NGC2301)
Open Cluster
NGC2301 is an open cluster with apparent magnitude 6.00 in the constellation Monoceros, spanning approximately 10.8 arcseconds 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 | Sun, 28 June 2026 |
| Twighlight start | 20:25 |
| Twighlight end | 01:54 |
| Twighlight duration | 5h 29m |
| Rise | 05:33 |
| Set | 17:38 |
| Elevation at transit | 54° |
| Transit time | 11:35 |
| Equatorial coordinates | RA: 06h 52m 00s", Dec: 01° 10' 40s |
| Magnitude | - |
| Constellation |
The graph illustrates the annual visibility pattern of a Monoceros, 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 Monoceros 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 Monoceros 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.
Acknowledgements
We gratefully acknowledge the International Astronomical Union (IAU) for defining and standardizing the official constellation boundaries, which provide a consistent framework for celestial mapping.
Special thanks to Sky & Telescope Magazine and contributors Roger Sinnott and Rick Fienberg for their collaboration in producing the charts and tables. The constellation patterns, drawn by Alan MacRobert, were influenced by the work of H. A. Rey and thoughtfully adjusted to align with earlier traditions.