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Uncommon galaxy 29 EP

IC 4824

RA 288.3086° · Dec -62.0883° · openngc

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Score breakdown

· 3 badges
29 pts · Uncommon
Uncommon 34 pts → Rare
  • Galaxy +14
  • Irregular galaxy (no shape at all) +12
  • Faint fuzzy (mag > 13) +3
Total score 29

5 more points to reach Rare.

Badges

  • Galaxy · +14
  • Irregular galaxy (no shape at all) · +12
  • Faint fuzzy (mag > 13) · +3

Trivia

What it actually is

  • What it actually is. A galaxy: a gravitationally bound city of stars, gas and dark matter, turning so slowly that a single rotation takes hundreds of millions of years.
  • Irregular. An irregular galaxy — no disc, no bulge, no symmetry. Most have been pulled out of shape by a larger neighbour's gravity.

Sense of scale

  • Scale. Home to hundreds of billions of stars — a universe unto itself, and every one of those points of light could have planets.

Find it in the sky

  • How to spot it. At magnitude 16.5 it is far too faint for the eye: this one belongs to cameras and long exposures, over in Pavo.
  • Southern sky only. So far south it never rises for most of the northern hemisphere. To see it you'd have to travel to Chile, South Africa or Australia.
  • Best time of year. It stands highest in the middle of the night around July — that's when to go looking.

Its true colour

  • Its true colour. Its colour is a census: blue where gas is still collapsing into hot young stars, yellow-red in the old, settled core.

How we came to know it

  • The Index Catalogue. The IC was the 1895 and 1908 supplement to the NGC — the first catalogue in history to be filled largely with objects found on photographic plates rather than by eye.

Properties

constellation
Pav
dso type
G
hubble
I
mag
16.53
name
IC 4824
size arcmin
0.73
surface brightness
23.44

Nearby objects

About IC 4824

IC 4824 is an uncommon galaxy. It sits in the constellation Pav and shines at apparent magnitude 16.53.

A galaxy: a gravitationally bound city of stars, gas and dark matter, turning so slowly that a single rotation takes hundreds of millions of years.

How to see it

Look for IC 4824 in the constellation Pav. At apparent magnitude 16.53, it takes a larger telescope or a long-exposure image to capture.

Like any astronomical target, IC 4824 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 IC 4824 is an uncommon galaxy

IC 4824 scores 29 points on Spacedle's rarity scale, which places it in the uncommon tier. Another 5 points would lift it into a rarer tier.

That score comes from 3 science badges — Galaxy, Irregular galaxy (no shape at all) and Faint fuzzy (mag > 13) — 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.