Galaxy · Irregular
AGC208399
AGC208399 is a galaxy in the direction of the constellation Sextans, 68.2 million light-years away.
| Type | Irregular |
|---|---|
| Constellation | Sextans |
| Distance | 68.2 million light-years (20.90 Mpc) |
| Diameter | 3,262 light-years · 0.037 × the Milky Way |
| Absolute magnitude | magnitude −12.30 |
| Apparent magnitude | magnitude 19.30 |
| Luminosity | 3.6 × 10⁻⁴ × the Milky Way |
| Right ascension (J2000) | 10h 40m 10.7s |
| Declination (J2000) | +4° 54′ 32″ |
| Source | Updated Nearby Galaxy Catalog (Karachentsev et al. 2013) |
In the sky
A telescope is needed to see it: its apparent magnitude is 19.30. Visible from the whole Northern Hemisphere and south to latitude 85° S. 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 68 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 1,209.2 billion years.