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Uncommon star 29 EP

HD 186332

RA 296.1360° · Dec -22.8558° · star

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Score breakdown

· 5 badges
29 pts · Uncommon
Uncommon 34 pts → Rare
  • Bright giant +12
  • Toward the galactic centre +8
  • Star +3
  • On the zodiac +3
  • Yellow-white F-type star +3
Total score 29

5 more points to reach Rare.

Badges

  • Star · +3
  • Toward the galactic centre · +8
  • On the zodiac · +3
  • Yellow-white F-type star · +3
  • Bright giant · +12

Trivia

What it actually is

  • Spectral class. Its spectrum reads F3II/III — an F-type star — a little hotter, whiter and shorter-lived than the Sun.
  • Where it is in life. It is a bright giant, well on its way to the largest stars there are.

Sense of scale

  • In perspective. Far away by human standards, yet still a local address inside the Milky Way's spiral arms.

Find it in the sky

  • How to spot it. At magnitude 7.5 it is just past naked-eye reach — ordinary binoculars will pull it in, over in Sagittarius.
  • Southern sky. It rides the southern half of the sky — an easier target the further south you are.
  • Best time of year. It stands highest in the middle of the night around July — that's when to go looking.

Could we get there?

  • Verdict. Hopelessly far for any craft humanity can build today.

Getting there

  • Aboard Voyager 1. ≈ 8.1 million years at Voyager 1's speed (17 km/s).

Properties

absmag
1.714
bv
0.445
constellation
Sgr
dist ly
461.9775
luminosity
17.9639
mag
7.47
name
HD 186332
spect
F3II/III

About HD 186332

HD 186332 is an uncommon star. It lies about 462 light-years from Earth, sits in the constellation Sgr, shines at apparent magnitude 7.47 and has spectral type F3II/III.

Its spectrum reads F3II/III — an F-type star — a little hotter, whiter and shorter-lived than the Sun.

How to see it

Look for HD 186332 in the constellation Sgr. At apparent magnitude 7.47, it is an easy target for binoculars.

Like any astronomical target, HD 186332 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.

Why HD 186332 is an uncommon star

HD 186332 scores 29 points on Spacedle's rarity scale, which places it in the uncommon tier. Another 5 points would lift it into a rarer tier.

That score comes from 5 science badges — Star, Toward the galactic centre, On the zodiac, Yellow-white F-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.