Galaxy · Spiral
UGCA 153
UGCA 153 is a galaxy in the direction of the constellation Hydra, 71.4 million light-years away.
| Type | Spiral |
|---|---|
| Constellation | Hydra |
| Distance | 71.4 million light-years (21.90 Mpc) |
| Diameter | 49,500 light-years · 0.57 × the Milky Way |
| Absolute magnitude | magnitude −17.40 |
| Apparent magnitude | magnitude 14.30 |
| Luminosity | 0.04 × the Milky Way |
| Right ascension (J2000) | 9h 13m 12.1s |
| Declination (J2000) | −19° 24′ 31″ |
| Source | Updated Nearby Galaxy Catalog (Karachentsev et al. 2013) |
In the sky
A telescope is needed to see it: its apparent magnitude is 14.30. Visible from the whole Southern Hemisphere and north to latitude 71° N. South of latitude 71° S it never sets. It stands highest at midnight in February, the best time to observe it.
Through a telescope from Earth
Light's journey
The light you see tonight set out 71 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 1,267.1 billion years.