Andromeda
Log inJoin

Emission nebula

The War and Peace Nebula

Also NGC 6357 · Pismis 24

Open in Ouranos

A large star-forming region in Scorpius around the cluster Pismis 24, one of the richest in very massive stars.

Measured

Distance
5,454 light-years
Constellation
Scorpius
Position (J2000)
RA 17h 24m 44s, Dec −34.20°

How far, from the Sun

5,450 light-years. To cross it:

  • Light5,450 years
  • Voyager 1's speed96.9 million years
  • Driving at 100 km/h58.9 billion years

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

Facts

  • Pismis 24 holds stars of about 100 times the Sun's mass, among the more massive on record.
  • Gaia picks out about 152 member stars (Hunt & Reffert 2023).

Where this comes from

  • Hunt & Reffert 2023, A&A 673, A114: Gaia DR3 cluster distance 1672.2 pc (16th–84th percentile 1665.3–1679.1 pc)
  • 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.