RA 101.7562° · Dec -21.0154° · star
1 more point to reach Rare.
12 CMa is an uncommon variable star. It lies about 787.8 light-years from Earth, sits in the constellation CMa, shines at apparent magnitude 6.07 and has spectral type B7II/III.
Its spectrum reads B7II/III — 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 12 CMa in the constellation CMa. At apparent magnitude 6.07, it is an easy target for binoculars.
Like any astronomical target, 12 CMa 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.
12 CMa scores 33 points on Spacedle's rarity scale, which places it in the uncommon tier. Another 1 point would lift it into a rarer tier.
That score comes from 6 science badges — Variable star, Hot blue B-type star, Bright giant, Blue-white star, Barely variable (under 0.05 mag) 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.