RA 63.7244° · Dec 48.4093° · star
3 more points to reach Epic.
51Mu Per is a rare star. It lies about 901 light-years from Earth, sits in the constellation Per, shines at apparent magnitude 4.12 and has spectral type G0Ib....
Its spectrum reads G0Ib... — a G-type star: the very same spectral class as our own Sun.
Look for 51Mu Per in the constellation Per. At apparent magnitude 4.12, it can be glimpsed with the unaided eye under dark skies.
Like any astronomical target, 51Mu Per is best seen from a dark site away from city lights, and when it is above the horizon depends on your latitude and the time of year. The visibility panel above works out tonight's viewing window for your saved location.
51Mu Per scores 47 points on Spacedle's rarity scale, which places it in the rare tier. Another 3 points would lift it into a rarer tier.
That score comes from 5 science badges — Star, Naked-eye visible, Sun-like G-type star, Supergiant and Intrinsically luminous (Mv < −2) — each earned for a real, measurable property of the object. Rarity on Spacedle is never random: the more remarkable an object's astrophysics, the more badges it collects, the higher it scores, and the rarer it ranks.