Deep sky · Planetary nebula in Hydra · NGC 3242
Planetary nebula
Ghost of Jupiter Nebula
The Ghost of Jupiter: a planetary nebula the same size and colour as the planet in a small telescope.
- Type
- Planetary nebula
- Designations
- NGC 3242
- Constellation
- Hydra
- Apparent magnitude
- 8.6
- Apparent size
- 0′ × 1′
- Position (J2000)
- RA 10h 25m · Dec −18° 39′
Look for
It is bright, blue-green and very round. William Herschel found it in 1785 — when “planetary nebula” was still a literal description.