Galaxy · Spiral
NGC 2187A
NGC 2187A is a galaxy in the direction of the constellation Dorado, 184.7 million light-years away.
| Type | Spiral |
|---|---|
| Constellation | Dorado |
| Distance | 184.7 million light-years (56.63 Mpc) |
| Diameter | 99,800 light-years · 1.1 × the Milky Way |
| Absolute magnitude | magnitude −20.94 |
| Apparent magnitude | magnitude 12.83 |
| Luminosity | 1 × the Milky Way |
| Right ascension (J2000) | 6h 03m 44.3s |
| Declination (J2000) | −69° 35′ 18″ |
| Source | 2MASS Redshift Survey (Huchra et al. 2012) |
In the sky
A telescope is needed to see it: its apparent magnitude is 12.83. Visible from the whole Southern Hemisphere and north to latitude 20° N. South of latitude 20° S it never sets. It stands highest at midnight in December, the best time to observe it.
Through a telescope from Earth
Light's journey
The light you see tonight set out 185 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 3,276.5 billion years.