Galaxy · Spiral
NGC 825
NGC 825 is a galaxy in the direction of the constellation Cetus, 158.3 million light-years away.
| Type | Spiral |
|---|---|
| Constellation | Cetus |
| Distance | 158.3 million light-years (48.54 Mpc) |
| Diameter | 75,300 light-years · 0.86 × the Milky Way |
| Absolute magnitude | magnitude −20.73 |
| Apparent magnitude | magnitude 12.70 |
| Luminosity | 0.86 × the Milky Way |
| Right ascension (J2000) | 2h 08m 32.4s |
| Declination (J2000) | +6° 19′ 25″ |
| Source | 2MASS Redshift Survey (Huchra et al. 2012) |
In the sky
A telescope is needed to see it: its apparent magnitude is 12.70. Visible from the whole Northern Hemisphere and south to latitude 84° S. It stands highest at midnight in October, the best time to observe it.
Through a telescope from Earth
Light's journey
The light you see tonight set out 158 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 2,808.4 billion years.