Crab Nebula
M1
📋 A written introduction is coming — for now this page shows official values only.
Object
- Type (NASA)
- Supernova Remnant
- Distance from Earth
- 6,500 light-years
- Apparent magnitude
- 8.4 mag
- Apparent size
- 6 ′
- NASA description
- Better known as the Crab Nebula, Charles Messier originally mistook Messier 1 for Halley’s Comet, which inspired him to create his famous catalog of objects.
Source:NASA Hubble (Messier/Caldwell catalogs) · checked 2026-11-02 ↗NASA HEASARC (Goddard Space Flight Center) · checked 2026-11-02 ↗
Related
Constellation
In everyday life
- Light from this object takes about 6,500 years to reach Earth — the light you see tonight left 6,500 years ago (official distance ÷ speed of light).
- At magnitude 8.4 it is fainter than the naked-eye limit (about 6) — you need binoculars or a telescope.
- It spans about 6′ of sky — about 1/5 of the full Moon's 31′.