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Galaxy

Messier 91

Also M91 · NGC 4548

Open in OuranosCompare its size

A barred spiral galaxy in the Virgo Cluster.

Measured

Distance
55.9 million light-years
Size
about 88,000 light-years across (approximate)
Constellation
Coma Berenices
Position (J2000)
RA 12h 35m 27s, Dec +14.50°

How far, from the Sun

55.9 million light-years. To cross it:

  • Light55.9 million years
  • Voyager 1's speed993 billion years
  • Driving at 100 km/h603 trillion years

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

Facts

  • Long considered Messier's "lost" object, it is now identified with NGC 4548.
  • It is moving away from us at about 490 km/s (NASA/IPAC NED).

Where this comes from

  • Cosmicflows-3, Tully, Courtois & Sorce 2016, AJ 152, 50 (17.14 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.