Galaxy · Elliptical
Segue 1
Segue 1 is a galaxy in the direction of the constellation Leo, 65,200 light-years away.
| Type | Elliptical |
|---|---|
| Constellation | Leo |
| Distance | 65,200 light-years (20.0 kpc) |
| Diameter | 195.7 light-years · 0.0022 × the Milky Way |
| Absolute magnitude | magnitude −1.30 |
| Apparent magnitude | magnitude 15.21 |
| Luminosity | 1.4 × 10⁻⁸ × the Milky Way |
| Right ascension (J2000) | 10h 07m 03.2s |
| Declination (J2000) | +16° 04′ 25″ |
| Source | Updated Nearby Galaxy Catalog (Karachentsev et al. 2013) |
In the sky
A telescope is needed to see it: its apparent magnitude is 15.21. Visible from the whole Northern Hemisphere and south to latitude 74° S. North of latitude 74° N 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 65 thousand years ago. At that time Homo sapiens was spreading out of Africa; there was no farming yet. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 1.2 billion years.