← Back to dex
Trash star 3 EP

HD 20633

RA 51.0489° · Dec 70.2621° · star

Loading sky survey…
🌌 View in 3D star map
Tonight’s visibility

Computing the sky for your location…

Score breakdown

· 1 badge
3 pts · Trash
Trash 15 pts → Common
  • Star +3
Total score 3

12 more points to reach Common.

Badges

  • Star · +3

Properties

absmag
-11.25
bv
1.134
constellation
Cas
mag
8.75
name
HD 20633
spect
K0

About HD 20633

HD 20633 is a trash star. It sits in the constellation Cas, shines at apparent magnitude 8.75 and has spectral type K0.

HD 20633 is a trash star worth 3 points across 1 science badge. Explore its facts, badges and place on the sky map, then add it to your dex on Spacedle.

How to see it

Look for HD 20633 in the constellation Cas. At apparent magnitude 8.75, it is an easy target for binoculars.

Like any astronomical target, HD 20633 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 20633 is a trash star

HD 20633 scores 3 points on Spacedle's rarity scale, which places it in the trash tier. Another 12 points would lift it into a rarer tier.

That score comes from 1 science badge — 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.

spacedle A daily roll through the real universe. © 2026 spacedle. Buy me a coffee

Sky imagery and survey data courtesy of Aladin Lite & CDS, Strasbourg. Object data from the NASA Exoplanet Archive, JPL Small-Body Database, and the ATNF Pulsar Catalogue.