Galaxy · Lenticular
NGC 5802
NGC 5802 is a galaxy in the direction of the constellation Libra, 351.2 million light-years away.
| Type | Lenticular |
|---|---|
| Constellation | Libra |
| Distance | 351.2 million light-years (107.67 Mpc) |
| Diameter | 147,600 light-years · 1.7 × the Milky Way |
| Absolute magnitude | magnitude −21.84 |
| Apparent magnitude | magnitude 13.32 |
| Luminosity | 2.4 × the Milky Way |
| Right ascension (J2000) | 15h 00m 30.0s |
| Declination (J2000) | −13° 55′ 08″ |
| Source | 2MASS Redshift Survey (Huchra et al. 2012) |
In the sky
A telescope is needed to see it: its apparent magnitude is 13.32. Visible from the whole Southern Hemisphere and north to latitude 76° N. South of latitude 76° S it never sets. It stands highest at midnight in May, the best time to observe it.
Through a telescope from Earth
Light's journey
The light you see tonight set out 351 million years ago. At that time complex animals were spreading through the seas and over the land; there were no dinosaurs yet. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 6,229.6 billion years.