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Common star 15 EP

HD 195850

RA 305.1820° · Dec 82.3680° · star

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Score breakdown

· 4 badges
15 pts · Common
Common 22 pts → Uncommon
  • Subgiant (leaving the main sequence) +5
  • Never sets (northern circumpolar) +4
  • Star +3
  • Yellow-white F-type star +3
Total score 15

7 more points to reach Uncommon.

Badges

  • Star · +3
  • Never sets (northern circumpolar) · +4
  • Yellow-white F-type star · +3
  • Subgiant (leaving the main sequence) · +5

Trivia

What it actually is

  • Spectral class. Its spectrum reads F5IV — an F-type star — a little hotter, whiter and shorter-lived than the Sun.
  • Where it is in life. It is a subgiant, caught in the act of leaving the main sequence as the hydrogen in its core runs out.

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 it is just past naked-eye reach — ordinary binoculars will pull it in, over in Draco.
  • Never sets. So far north that from Britain, Canada or northern Europe it never dips below the horizon — it is up every clear night of the year.
  • 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. ≈ 3.3 million years at Voyager 1's speed (17 km/s).

Properties

absmag
3.24
bv
0.459
constellation
Dra
dist ly
186.8019
luminosity
4.4055
mag
7.03
name
HD 195850
spect
F5IV

About HD 195850

HD 195850 is a common star. It lies about 186.8 light-years from Earth, sits in the constellation Dra, shines at apparent magnitude 7.03 and has spectral type F5IV.

Its spectrum reads F5IV — an F-type star — a little hotter, whiter and shorter-lived than the Sun.

How to see it

Look for HD 195850 in the constellation Dra. At apparent magnitude 7.03, it is an easy target for binoculars.

Like any astronomical target, HD 195850 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 195850 is a common star

HD 195850 scores 15 points on Spacedle's rarity scale, which places it in the common tier. Another 7 points would lift it into a rarer tier.

That score comes from 4 science badges — Star, Never sets (northern circumpolar), Yellow-white F-type star and Subgiant (leaving the main sequence) — 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.