
Star profile
Mu Cassiopeiae
Nearby starWhat is Mu Cassiopeiae
Mu Cassiopeiae is a rarity: a yellow star just 24.6 light-years away, a near neighbour of the Sun and one of the few at that distance visible to the unaided eye. It belongs to the galaxy's ancient population, poor in heavy metals, and its proper motion is among the highest of the northern sky —it crosses the vault at a noticeable pace over centuries.
Where it is and when to see it
Mu Cassiopeiae lies in the northern celestial hemisphere. It is visible to the naked eye under a dark sky. Its best month of the year is November, when it culminates around midnight.
- From London it never sets and culminates about 87° up.
- From New York it never sets and culminates about 76° up.
- From Sydney it culminates about 1° above the horizon.
It can be seen from anywhere north of 35° S.
It ranks no. 34 in brightness among the 93 stars of Cassiopeia in our catalogue. To find it, start from Cih, the brightest: it lies about 6° away (a fist at arm's length covers about 10°).
The light you see today left it about 25 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 Cassiopeiae
- Constellation
- Cassiopeia
- Apparent magnitude
- 5.17
- Distance
- 24.6 light years
- Coordinates (J2000)
- RA 17.062° · Dec 54.920°
- Catalogue
- HIP 5336 · HD 6582
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Other stars in Cassiopeia
Cassiopeia has 93 stars in Stelvia's catalogue. Here are a few of them.
- CihGamma Cassiopeiae2.15
- SchedarAlpha Cassiopeiae2.24
- CaphBeta Cassiopeiae2.28
- HIP 28545.08
- HIP 1135615.10
- HIP 122735.17
- 42 Cassiopeiae5.18
- 49 Cassiopeiae5.22