RA 319.6812° · Dec -1.5342° · star
3 more points to reach Common.
HD 202851 is a trash star. It lies about 1,217 light-years from Earth, sits in the constellation Aqr, shines at apparent magnitude 9.71 and has spectral type R....
Its spectrum reads R... — a carbon star, wrapped in so much soot that its light is filtered to a deep ruby red.
Look for HD 202851 in the constellation Aqr. At apparent magnitude 9.71, a small backyard telescope will bring it into view.
Like any astronomical target, HD 202851 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 202851 scores 12 points on Spacedle's rarity scale, which places it in the trash tier. Another 3 points would lift it into a rarer tier.
That score comes from 3 science badges — Star, Distant (over 1,000 light-years) and On the zodiac — 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.