RA 271.8696° · Dec -28.5066° · star
3 more points to reach Rare.
HD 317084 is an uncommon variable star. It sits in the constellation Sgr, shines at apparent magnitude 10.04 and has spectral type N0.
Its spectrum reads N0 — a carbon star, wrapped in so much soot that its light is filtered to a deep ruby red.
Look for HD 317084 in the constellation Sgr. At apparent magnitude 10.04, a small backyard telescope will bring it into view.
Like any astronomical target, HD 317084 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 317084 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 — Variable star, Toward the galactic centre, On the zodiac, Deep red star, Gently variable 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.