NGC 2403

Measured

Distance

10.4 million light-years

Size

about 64,000 light-years across (approximate)

Constellation

Camelopardalis

Position (J2000)

RA 7h 36m 51s, Dec +65.60°

How far, from the Sun

10.4 million light-years. To cross it:

• Light10.4 million years
• Voyager 1's speed184 billion years
• Driving at 100 km/h112 trillion years

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

Facts

• It is moving away from us at about 130 km/s (NASA/IPAC NED).

How it was found

• It was one of the first galaxies beyond the Local Group in which Cepheid stars were found.

Where this comes from

• Cosmicflows-3, Tully, Courtois & Sorce 2016, AJ 152, 50 (3.18 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.