Andromeda
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Galaxy

NGC 4388

Also PGC 40581

Open in OuranosCompare its size

A spiral galaxy, seen nearly edge-on.

Measured

Distance
about 54.8 million light-years (published estimates 54.8 million–69.8 million)
Size
about 85,800 light-years across (approximate)
Constellation
Virgo
Position (J2000)
RA 12h 25m 47s, Dec +12.66°

How far, from the Sun

About 54.8 million light-years. To cross it:

  • Light54.8 million years
  • Voyager 1's speed974 billion years
  • Driving at 100 km/h591 trillion years

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

Facts

  • About 55 million light years away; catalogues put it between 55 million and 70 million.
  • About 86,000 light years across, at the distance above.

Where this comes from

  • Distance from z0MGS (Leroy et al. 2019, ApJS 244, 24); range with HyperLEDA's best distance modulus; size from HyperLEDA's D25 at that distance
  • 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.