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Uncommon star 24 EP

HD 191347

RA 302.7264° · Dec -38.1826° · star

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Score breakdown

· 5 badges
24 pts · Uncommon
Uncommon 34 pts → Rare
  • Toward the galactic centre +8
  • Sun-like G-type star +8
  • Star +3
  • On the zodiac +3
  • Main-sequence star +2
Total score 24

10 more points to reach Rare.

Badges

  • Star · +3
  • Toward the galactic centre · +8
  • On the zodiac · +3
  • Sun-like G-type star · +8
  • Main-sequence star · +2

Trivia

What it actually is

  • Spectral class. Its spectrum reads G3/G5V: — a G-type star: the very same spectral class as our own Sun.

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 10.1 you'll want a small backyard telescope, 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. ≈ 12.1 million years at Voyager 1's speed (17 km/s).
  • Fastest probe ever. ≈ 1.1 million years even at the Parker Solar Probe's 192 km/s.

Properties

absmag
3.453
bv
0.752
constellation
Sgr
dist ly
686.6442
luminosity
3.6208
mag
10.07
name
HD 191347
spect
G3/G5V:

About HD 191347

HD 191347 is an uncommon star. It lies about 686.6 light-years from Earth, sits in the constellation Sgr, shines at apparent magnitude 10.07 and has spectral type G3/G5V:.

Its spectrum reads G3/G5V: — a G-type star: the very same spectral class as our own Sun.

How to see it

Look for HD 191347 in the constellation Sgr. At apparent magnitude 10.07, a small backyard telescope will bring it into view.

Like any astronomical target, HD 191347 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 191347 is an uncommon star

HD 191347 scores 24 points on Spacedle's rarity scale, which places it in the uncommon tier. Another 10 points would lift it into a rarer tier.

That score comes from 5 science badges — Star, Toward the galactic centre, On the zodiac, Sun-like G-type star and Main-sequence 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.