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Trash star 10 EP

HD 8928

RA 22.4446° · Dec 65.1711° · star

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Score breakdown

· 3 badges
10 pts · Trash
Trash 15 pts → Common
  • Never sets (northern circumpolar) +4
  • Star +3
  • Orange K-type star +3
Total score 10

5 more points to reach Common.

Badges

  • Star · +3
  • Never sets (northern circumpolar) · +4
  • Orange K-type star · +3

Trivia

What it actually is

  • Spectral class. Its spectrum reads K2 — a K-type star. Orange K dwarfs are the marathon runners of the galaxy, burning steadily for tens of billions of years.

Find it in the sky

  • How to spot it. At magnitude 6.7 it is just past naked-eye reach — ordinary binoculars will pull it in, over in Cassiopeia.
  • 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 October — that's when to go looking.

Its true colour

  • Its true colour. Measured through blue and visual filters it comes out orange (B−V 1.3) — cooler than the Sun, and the kind of star that burns steadily for tens of billions of years.

By the numbers

  • Surface temperature. Its colour puts the surface at roughly 4060 K, against the Sun's 5778 K.

What's in a name

  • Its catalogue. The HD number is from the Henry Draper Catalogue, in which Annie Jump Cannon personally classified the spectra of nearly 400,000 stars — still the largest such feat by one person.

Properties

absmag
-13.29
bv
1.334
constellation
Cas
luminosity
18030177.4086
mag
6.71
name
HD 8928
spect
K2

Nearby objects

About HD 8928

HD 8928 is a trash star. It sits in the constellation Cas, shines at apparent magnitude 6.71 and has spectral type K2.

Its spectrum reads K2 — a K-type star. Orange K dwarfs are the marathon runners of the galaxy, burning steadily for tens of billions of years.

How to see it

Look for HD 8928 in the constellation Cas. At apparent magnitude 6.71, it is an easy target for binoculars.

Like any astronomical target, HD 8928 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 8928 is a trash star

HD 8928 scores 10 points on Spacedle's rarity scale, which places it in the trash tier. Another 5 points would lift it into a rarer tier.

That score comes from 3 science badges — Star, Never sets (northern circumpolar) and Orange K-type 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.