RA 135.8136° · Dec 50.0943° · star
10 more points to reach Rare.
HD 77234 is an uncommon variable star. It sits in the constellation UMa, shines at apparent magnitude 9.44 and has spectral type R6.
Its spectrum reads R6 — a carbon star, wrapped in so much soot that its light is filtered to a deep ruby red.
Look for HD 77234 in the constellation UMa. At apparent magnitude 9.44, a small backyard telescope will bring it into view.
Like any astronomical target, HD 77234 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 77234 scores 24 points on Spacedle's rarity scale, which places it in the uncommon tier. Another 10 points would lift it into a rarer tier.
That score comes from 5 science badges — Variable star, Never sets (northern circumpolar), 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.