RA 178.2423° · Dec 37.7187° · star
2 more points to reach Common.
Groombridge 1830 is a trash variable star. It lies about 29.7 light-years from Earth, sits in the constellation UMa, shines at apparent magnitude 6.42 and has spectral type G8Vp.
Notable enough to have earned a proper name, not just a catalogue number.
Look for Groombridge 1830 in the constellation UMa. At apparent magnitude 6.42, it is an easy target for binoculars.
Like any astronomical target, Groombridge 1830 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.
Groombridge 1830 scores 13 points on Spacedle's rarity scale, which places it in the trash tier. Another 2 points would lift it into a rarer tier.
That score comes from 2 science badges — Variable star and Has a proper name — 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.