RA 331.6664° · Dec 48.4519° · star
8 more points to reach Rare.
HIP 109158 is an uncommon variable star. It sits in the constellation Lac, shines at apparent magnitude 10.12 and has spectral type R.
Its spectrum reads R — a carbon star, wrapped in so much soot that its light is filtered to a deep ruby red.
Look for HIP 109158 in the constellation Lac. At apparent magnitude 10.12, a small backyard telescope will bring it into view.
Like any astronomical target, HIP 109158 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.
HIP 109158 scores 26 points on Spacedle's rarity scale, which places it in the uncommon tier. Another 8 points would lift it into a rarer tier.
That score comes from 4 science badges — Variable star, Deep red star, Strongly 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.