RA 99.8241° · Dec 22.6051° · star
11 more points to reach Rare.
HD 47396 is an uncommon variable star. It lies about 823.6 light-years from Earth, sits in the constellation Gem, shines at apparent magnitude 10.33 and has spectral type N0v.
Its spectrum reads N0v — a carbon star, wrapped in so much soot that its light is filtered to a deep ruby red.
Look for HD 47396 in the constellation Gem. At apparent magnitude 10.33, a small backyard telescope will bring it into view.
Like any astronomical target, HD 47396 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 47396 scores 23 points on Spacedle's rarity scale, which places it in the uncommon tier. Another 11 points would lift it into a rarer tier.
That score comes from 5 science badges — Variable star, 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.