RA 100.0721° · Dec 4.9114° · star
3 more points to reach Uncommon.
HD 47733 is a common star. It sits in the constellation Mon, shines at apparent magnitude 9.15 and has spectral type B6IV.
Its spectrum reads B6IV — a blue-white B-type star, with a surface tens of thousands of degrees hot and a life measured in tens of millions of years.
Look for HD 47733 in the constellation Mon. At apparent magnitude 9.15, a small backyard telescope will bring it into view.
Like any astronomical target, HD 47733 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 47733 scores 19 points on Spacedle's rarity scale, which places it in the common tier. Another 3 points would lift it into a rarer tier.
That score comes from 4 science badges — Star, Hot blue B-type star, Subgiant (leaving the main sequence) and Blue-white 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.