RA 221.3344° · Dec -6.7345° · star
11 more points to reach Rare.
HD 129903 is an uncommon variable star. It lies about 166.7 light-years from Earth, sits in the constellation Vir, shines at apparent magnitude 7.99 and has spectral type G0.
Its spectrum reads G0 — a G-type star: the very same spectral class as our own Sun.
Look for HD 129903 in the constellation Vir. At apparent magnitude 7.99, it is an easy target for binoculars.
Like any astronomical target, HD 129903 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 129903 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, Sun-like G-type 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.