RA 318.6978° · Dec 38.0453° · star
2 more points to reach Rare.
65Tau Cyg is an uncommon variable star. It lies about 66.3 light-years from Earth, sits in the constellation Cyg, shines at apparent magnitude 3.74 and has spectral type F1IV.
It is a binary: two stars orbiting a shared centre of mass. More than half of all the 'stars' you can see are actually multiple systems.
Look for 65Tau Cyg in the constellation Cyg. At apparent magnitude 3.74, it can be glimpsed with the unaided eye under dark skies.
Like any astronomical target, 65Tau Cyg 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.
65Tau Cyg scores 32 points on Spacedle's rarity scale, which places it in the uncommon tier. Another 2 points would lift it into a rarer tier.
That score comes from 7 science badges — Variable star, Naked-eye visible, Binary star, Yellow-white F-type star, Subgiant (leaving the main sequence), Barely variable (under 0.05 mag) and A named variable star — 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.