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Galaxy

The Southern Pinwheel Galaxy

Also M83 · NGC 5236

Open in OuranosCompare its size
The Southern Pinwheel Galaxy — Hubble with Las Campanas; ultraviolet to near-infrared composite
Hubble with Las Campanas; ultraviolet to near-infrared composite. Credit: NASA, ESA, and the Hubble Heritage Team (STScI/AURA) Acknowledgment: W. Blair (STScI/JHU), Carnegie Institution of Washington (Las Campanas Observatory), and NOAO. Licence: CC BY 4.0. Source

A bright, relatively nearby spiral galaxy, full of star-forming regions.

Measured

Distance
15.2 million light-years
Size
about 62,000 light-years across (approximate)
Constellation
Hydra
Position (J2000)
RA 13h 37m 01s, Dec −29.87°

How far, from the Sun

15.2 million light-years. To cross it:

  • Light15.2 million years
  • Voyager 1's speed270 billion years
  • Driving at 100 km/h164 trillion years

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

Facts

  • Six supernovae have been seen in it during the 20th century.
  • It is moving away from us at about 510 km/s (NASA/IPAC NED).

Where this comes from

  • Cosmicflows-3, Tully, Courtois & Sorce 2016, AJ 152, 50 (4.66 Mpc)
  • 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.