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Uncommon star 27 EP

75 Cnc

RA 137.1972° · Dec 26.6291° · star

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Score breakdown

· 5 badges
27 pts · Uncommon
Uncommon 34 pts → Rare
  • Naked-eye visible +8
  • Sun-like G-type star +8
  • Subgiant (leaving the main sequence) +5
  • Star +3
  • On the zodiac +3
Total score 27

7 more points to reach Rare.

Badges

  • Star · +3
  • Naked-eye visible · +8
  • On the zodiac · +3
  • Sun-like G-type star · +8
  • Subgiant (leaving the main sequence) · +5

Trivia

What it actually is

  • Spectral class. Its spectrum reads G5IV — a G-type star: the very same spectral class as our own 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 6 you can see it with your own eyes from a dark site, over in Cancer.
  • Northern sky. It rides the northern half of the sky — an easier target the further north you are.
  • Best time of year. It stands highest in the middle of the night around February — 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. ≈ 1.8 million years at Voyager 1's speed (17 km/s).

Properties

absmag
3.493
bv
0.654
constellation
Cnc
dist ly
101.1338
luminosity
3.4898
mag
5.95
name
75 Cnc
spect
G5IV

About 75 Cnc

75 Cnc is an uncommon star. It lies about 101.1 light-years from Earth, sits in the constellation Cnc, shines at apparent magnitude 5.95 and has spectral type G5IV.

Its spectrum reads G5IV — a G-type star: the very same spectral class as our own Sun.

How to see it

Look for 75 Cnc in the constellation Cnc. At apparent magnitude 5.95, it can be glimpsed with the unaided eye under dark skies.

Like any astronomical target, 75 Cnc 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 75 Cnc is an uncommon star

75 Cnc scores 27 points on Spacedle's rarity scale, which places it in the uncommon tier. Another 7 points would lift it into a rarer tier.

That score comes from 5 science badges — Star, Naked-eye visible, On the zodiac, Sun-like G-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.