Galaxy · Spiral
NGC 3393
NGC 3393 is a galaxy in the direction of the constellation Hydra, 174.7 million light-years away.
| Type | Spiral |
|---|---|
| Constellation | Hydra |
| Distance | 174.7 million light-years (53.57 Mpc) |
| Diameter | 125,900 light-years · 1.4 × the Milky Way |
| Absolute magnitude | magnitude −21.71 |
| Apparent magnitude | magnitude 11.93 |
| Luminosity | 2.1 × the Milky Way |
| Right ascension (J2000) | 10h 48m 23.5s |
| Declination (J2000) | −25° 09′ 43″ |
| Source | 2MASS Redshift Survey (Huchra et al. 2012) |
In the sky
A telescope is needed to see it: its apparent magnitude is 11.93. Visible from the whole Southern Hemisphere and north to latitude 65° N. South of latitude 65° S it never sets. It stands highest at midnight in March, the best time to observe it.
Through a telescope from Earth
Light's journey
The light you see tonight set out 175 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 3,099.5 billion years.