Star profile
28 Monocerotis
Variable starWhat is 28 Monocerotis
28 Monocerotis is an orange K4 giant, also designated V645 Monocerotis as a variable, and tagged as a high-proper-motion star moving briskly across the sky. Its warm glow crosses the celestial Unicorn at apparent magnitude 4.69, just enough to catch with the naked eye under dark skies. The 450 light-years between us amount to the time since Galileo first turned a telescope skyward.
Where it is and when to see it
28 Monocerotis lies in the southern celestial hemisphere. It is visible to the naked eye under a dark sky. Its best month of the year is January: the Sun sits at the opposite point of the sky and the star culminates around midnight. How high it climbs above the horizon depends on the latitude you watch from.
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The signature wall
Stelvia's sky works like a signature wall: anyone can leave their name and a message on a real star, and that signature goes up on the map for everyone to read. Signing is free.
A signature without a lock can be replaced by someone else's. The lock makes the signature permanent and lets you choose a symbolic name for the star, always shown next to the star's catalogue identifier. How the lock works
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A public signature from a real person. The chosen name is a symbolic denomination within Stelvia, with no official standing or IAU recognition: the sky is not for sale and belongs to no one.
Astronomical data for 28 Monocerotis
- Constellation
- Monoceros
- Apparent magnitude
- 4.69
- Distance
- 449.9 light years
- Coordinates (J2000)
- RA 120.306° · Dec -1.393°
- Catalogue
- HIP 39211 · HD 65953
A symbolic commemorative gift: neither the signature nor the chosen name implies ownership of the star or recognition by the IAU.
Other stars in Monoceros
Monoceros has 71 stars in Stelvia's catalogue. Here are a few of them.
- Beta Monocerotis3.76
- Alpha Monocerotis3.94
- Gamma Monocerotis3.99
- 13 Monocerotis4.47
- 18 Monocerotis4.48
- 15 Monocerotis4.66
- 17 Monocerotis4.77
- 20 Monocerotis4.91