Galaxy · Spiral
NGC 573
NGC 573 is a galaxy in the direction of the constellation Andromeda, 129.9 million light-years away.
| Type | Spiral |
|---|---|
| Constellation | Andromeda |
| Distance | 129.9 million light-years (39.83 Mpc) |
| Diameter | 33,700 light-years · 0.39 × the Milky Way |
| Absolute magnitude | magnitude −19.03 |
| Apparent magnitude | magnitude 13.97 |
| Luminosity | 0.18 × the Milky Way |
| Right ascension (J2000) | 1h 30m 49.3s |
| Declination (J2000) | +41° 15′ 26″ |
| Source | 2MASS Redshift Survey (Huchra et al. 2012) |
In the sky
A telescope is needed to see it: its apparent magnitude is 13.97. Visible from the whole Northern Hemisphere and south to latitude 49° S. North of latitude 49° N it never sets. It stands highest at midnight in October, the best time to observe it.
Through a telescope from Earth
Light's journey
The light you see tonight set out 130 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 2,304.5 billion years.