RA 237.0272° · Dec -50.5898° · star
2 more points to reach Uncommon.
HD 140842 is a common star. It sits in the constellation Nor, shines at apparent magnitude 6.7 and has spectral type A7II.
Its spectrum reads A7II — an A-type star: white-hot, typically about twice the Sun's mass, and the class most of the sky's famous bright stars belong to.
Look for HD 140842 in the constellation Nor. At apparent magnitude 6.7, it is an easy target for binoculars.
Like any astronomical target, HD 140842 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 140842 scores 20 points on Spacedle's rarity scale, which places it in the common tier. Another 2 points would lift it into a rarer tier.
That score comes from 3 science badges — Star, White A-type star and Bright giant — 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.