Galaxy · Irregular
NGC 4748
NGC 4748 is a galaxy in the direction of the constellation Corvus, 204.4 million light-years away.
| Type | Irregular |
|---|---|
| Constellation | Corvus |
| Distance | 204.4 million light-years (62.66 Mpc) |
| Diameter | 90,000 light-years · 1 × the Milky Way |
| Absolute magnitude | magnitude −21.85 |
| Apparent magnitude | magnitude 12.13 |
| Luminosity | 2.4 × the Milky Way |
| Right ascension (J2000) | 12h 52m 12.5s |
| Declination (J2000) | −13° 24′ 53″ |
| Source | 2MASS Redshift Survey (Huchra et al. 2012) |
In the sky
A telescope is needed to see it: its apparent magnitude is 12.13. Visible from the whole Southern Hemisphere and north to latitude 77° N. South of latitude 77° S it never sets. It stands highest at midnight in April, the best time to observe it.
Through a telescope from Earth
Light's journey
The light you see tonight set out 204 million years ago. At that time dinosaurs ruled the Earth. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 3,625.4 billion years.