RA 271.8040° · Dec -18.9058° · star
3 more points to reach Rare.
HD 312644 is an uncommon star. It lies about 680.9 light-years from Earth, sits in the constellation Sgr, shines at apparent magnitude 10.31 and has spectral type K2/K3III:.
Its spectrum reads K2/K3III: — a K-type star. Orange K dwarfs are the marathon runners of the galaxy, burning steadily for tens of billions of years.
Look for HD 312644 in the constellation Sgr. At apparent magnitude 10.31, a small backyard telescope will bring it into view.
Like any astronomical target, HD 312644 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.
HD 312644 scores 31 points on Spacedle's rarity scale, which places it in the uncommon tier. Another 3 points would lift it into a rarer tier.
That score comes from 6 science badges — Star, Toward the galactic centre, On the zodiac, Orange K-type star, Giant star and Deep red 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.