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Uncommon galaxy 25 EP

IC 2722 NED03

RA 169.9348° · Dec 13.9629° · openngc

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Score breakdown

· 4 badges
25 pts · Uncommon
Uncommon 34 pts → Rare
  • Galaxy +14
  • Spiral galaxy +5
  • On the zodiac +3
  • Faint fuzzy (mag > 13) +3
Total score 25

9 more points to reach Rare.

Badges

  • Galaxy · +14
  • Spiral galaxy · +5
  • On the zodiac · +3
  • 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.
  • Spiral. A spiral galaxy. Those arms are not solid structures but traffic jams — density waves that stars drift into and out of as they orbit.

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 17.1 it is far too faint for the eye: this one belongs to cameras and long exposures, over in Leo.
  • 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 March — 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
Leo
dso type
G
hubble
Sa
mag
17.08
name
IC 2722 NED03
size arcmin
0.11

Nearby objects

About IC 2722 NED03

IC 2722 NED03 is an uncommon galaxy. It sits in the constellation Leo and shines at apparent magnitude 17.08.

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 2722 NED03 in the constellation Leo. At apparent magnitude 17.08, it takes a larger telescope or a long-exposure image to capture.

Like any astronomical target, IC 2722 NED03 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 2722 NED03 is an uncommon galaxy

IC 2722 NED03 scores 25 points on Spacedle's rarity scale, which places it in the uncommon tier. Another 9 points would lift it into a rarer tier.

That score comes from 4 science badges — Galaxy, Spiral galaxy, On the zodiac 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.