Star profile
Mu Horologium
What is Mu Horologium
Mu Horologii burns some 142 light-years away inside the small Clock, one of the technical constellations Lacaille drew while charting the sky from the Cape. It is a yellow-white F-type star, slightly hotter than the Sun, with a discreet brightness that barely reaches naked-eye visibility under clean skies.
Where it is and when to see it
Mu Horologium lies in the southern celestial hemisphere. It is visible to the naked eye under a dark sky. Its best month of the year is September, when it culminates around midnight.
- From London it never rises above the horizon.
- From New York it never rises above the horizon.
- From Sydney it never sets and culminates about 64° up.
It can be seen from anywhere south of 30° N.
It ranks no. 4 in brightness among the 18 stars of Horologium in our catalogue. To find it, start from Alpha Horologium, the brightest: it lies about 21° away (a fist at arm's length covers about 10°).
The light you see today left it about 140 years ago.
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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 Mu Horologium
- Constellation
- Horologium
- Apparent magnitude
- 5.12
- Distance
- 141.6 light years
- Coordinates (J2000)
- RA 45.904° · Dec -59.738°
- Catalogue
- HIP 14240 · HD 19319
A symbolic commemorative gift: neither the signature nor the chosen name implies ownership of the star or recognition by the IAU.
Other stars in Horologium
Horologium has 18 stars in Stelvia's catalogue. Here are a few of them.
- Alpha Horologium3.85
- Delta Horologium4.93
- Beta Horologium4.98
- Zeta Horologium5.21
- Nu Horologium5.25
- Eta Horologium5.30
- HIP 201615.33
- Lambda Horologium5.36