Planetary nebula

The Ghost of Jupiter

Also NGC 3242 · Caldwell 59

A planetary nebula about the apparent size of Jupiter, in Hydra.

Measured

Distance
about 4,377 light-years (published estimates 4,101–4,693)
Constellation
Hydra
Position (J2000)
RA 10h 24m 46s, Dec −18.64°

How far, from the Sun

About 4,380 light-years. To cross it:

  • Light4,380 years
  • Voyager 1's speed77.8 million years
  • Driving at 100 km/h47.2 billion years

Voyager 1 at the speed it moved outward over the year to 2026-10-25 (JPL Horizons). Driving: nonstop, never refuelling.

Facts

  • Its distance comes from a Gaia parallax: the tiny yearly shift in its position as the Earth circles the Sun.

How it was found

  • William Herschel discovered it in 1785.

Where this comes from

  • Gaia DR3 parallax 0.7452 ± 0.0502 mas of the central star, Gaia DR3 5668874905325843456 (Gaia Collaboration 2023, A&A 674, A1)
  • This research has made use of the SIMBAD database, CDS, Strasbourg, France (Wenger et al. 2000, A&AS 143, 9).
  • This research has made use of the VizieR catalogue access tool, CDS, Strasbourg, France (DOI: 10.26093/cds/vizier).

Every catalogue Ouranos draws is credited on the credits page.