Galaxy · Lenticular
NGC 7633
NGC 7633 is a galaxy in the direction of the constellation Indus, 174.7 million light-years away.
| Type | Lenticular |
|---|---|
| Constellation | Indus |
| Distance | 174.7 million light-years (53.56 Mpc) |
| Diameter | 105,900 light-years · 1.2 × the Milky Way |
| Absolute magnitude | magnitude −21.27 |
| Apparent magnitude | magnitude 12.37 |
| Luminosity | 1.4 × the Milky Way |
| Right ascension (J2000) | 23h 23m 03.3s |
| Declination (J2000) | −67° 39′ 13″ |
| Source | 2MASS Redshift Survey (Huchra et al. 2012) |
In the sky
A telescope is needed to see it: its apparent magnitude is 12.37. Visible from the whole Southern Hemisphere and north to latitude 22° N. South of latitude 22° S it never sets. It stands highest at midnight in September, the best time to observe it.
Through a telescope from Earth
Light's journey
The light you see tonight set out 175 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 3,098.9 billion years.