Galaxy · Spiral
IC 1447
IC 1447 is a galaxy in the direction of the constellation Aquarius, 137.6 million light-years away.
| Type | Spiral |
|---|---|
| Constellation | Aquarius |
| Distance | 137.6 million light-years (42.19 Mpc) |
| Diameter | 73,800 light-years · 0.84 × the Milky Way |
| Absolute magnitude | magnitude −20.00 |
| Apparent magnitude | magnitude 13.13 |
| Luminosity | 0.44 × the Milky Way |
| Right ascension (J2000) | 22h 29m 59.8s |
| Declination (J2000) | −5° 07′ 12″ |
| Source | 2MASS Redshift Survey (Huchra et al. 2012) |
In the sky
A telescope is needed to see it: its apparent magnitude is 13.13. Visible from the whole Southern Hemisphere and north to latitude 85° N. It stands highest at midnight in August, the best time to observe it.
Through a telescope from Earth
Light's journey
The light you see tonight set out 138 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 2,441.0 billion years.