Galaxy · Spiral
IC 4793
IC 4793 is a galaxy in the direction of the constellation Pavo, 208.4 million light-years away.
| Type | Spiral |
|---|---|
| Constellation | Pavo |
| Distance | 208.4 million light-years (63.89 Mpc) |
| Diameter | 84,200 light-years · 0.96 × the Milky Way |
| Absolute magnitude | magnitude −20.26 |
| Apparent magnitude | magnitude 13.77 |
| Luminosity | 0.55 × the Milky Way |
| Right ascension (J2000) | 18h 56m 55.6s |
| Declination (J2000) | −61° 23′ 59″ |
| Source | 2MASS Redshift Survey (Huchra et al. 2012) |
In the sky
A telescope is needed to see it: its apparent magnitude is 13.77. Visible from the whole Southern Hemisphere and north to latitude 29° N. South of latitude 29° S it never sets. It stands highest at midnight in July, the best time to observe it.
Through a telescope from Earth
Light's journey
The light you see tonight set out 208 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 3,696.5 billion years.