RA 300.0138° · Dec 17.5165° · star
23 more points to reach Anomaly.
13 Sge is an epic variable star. It lies about 1,019.2 light-years from Earth, sits in the constellation Sge, shines at apparent magnitude 5.33 and has spectral type M4IIIa.
Its spectrum reads M4IIIa — an M-type red star — and M stars are the silent majority: roughly three of every four stars in the galaxy are one.
Look for 13 Sge in the constellation Sge. At apparent magnitude 5.33, it can be glimpsed with the unaided eye under dark skies.
Like any astronomical target, 13 Sge 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.
13 Sge scores 55 points on Spacedle's rarity scale, which places it in the epic tier. Another 23 points would lift it into a rarer tier.
That score comes from 9 science badges — Variable star, Distant (over 1,000 light-years), Naked-eye visible, Cool red M-type star, Giant star, Deep red star, Intrinsically luminous (Mv < −2) and Gently variable — 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.