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Anomaly star 90 EP

Canopus

RA 95.9879° · Dec -52.6957° · star

Real photograph of Canopus 📷 Real photo
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Score breakdown

· 7 badges
90 pts · Anomaly
Anomaly 120 pts → Mythic
  • Blindingly luminous (Mv < −5) +20
  • Canopus +20
  • Brilliant (mag < 1) +18
  • Supergiant +18
  • Has a proper name +8
  • Star +3
  • Yellow-white F-type star +3
Total score 90

30 more points to reach Mythic.

Badges

  • Star · +3
  • Brilliant (mag < 1) · +18
  • Has a proper name · +8
  • Yellow-white F-type star · +3
  • Supergiant · +18
  • Blindingly luminous (Mv < −5) · +20
  • Canopus · +20

Trivia

Hard to believe

  • Top of the charts. Brighter than magnitude 0 — one of barely a dozen such beacons in the entire sky.
  • True brightness. It pours out about 13.6 thousand times as much light as the Sun. It only looks ordinary because it is so far away.

What it actually is

  • Spectral class. Its spectrum reads F0Ib — an F-type star — a little hotter, whiter and shorter-lived than the Sun.
  • Where it is in life. It is a supergiant, hundreds of times wider than the 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 -0.6 it is one of the brightest points in the night sky — impossible to miss, over in Carina.
  • 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 December — that's when to go looking.

Properties

absmag
-5.504
bv
0.164
constellation
Car
dist ly
309.1525
luminosity
13854.7917
mag
-0.62
name
Canopus
named
yes
spect
F0Ib

About Canopus

Canopus is an anomaly star. It lies about 309.2 light-years from Earth, sits in the constellation Car, shines at apparent magnitude -0.62 and has spectral type F0Ib.

Its spectrum reads F0Ib — an F-type star — a little hotter, whiter and shorter-lived than the Sun.

How to see it

Look for Canopus in the constellation Car. At apparent magnitude -0.62, it can be glimpsed with the unaided eye under dark skies.

Like any astronomical target, Canopus 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 Canopus is an anomaly star

Canopus scores 90 points on Spacedle's rarity scale, which places it in the anomaly tier. Another 30 points would lift it into a rarer tier.

That score comes from 7 science badges — Star, Brilliant (mag < 1), Has a proper name, Yellow-white F-type star, Supergiant, Blindingly luminous (Mv < −5) and Canopus — 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.