NGC 1647
From Infogalactic: the planetary knowledge core
| NGC 1647 | |
|---|---|
| Observation data (J2000 epoch) | |
| Constellation | Taurus |
| Right ascension | 04h 45m 55s[1] |
| Declination | ±19° 06′ 54″[1] |
| Distance | 1,800 ly (on average) (550 ps[2]) |
| Apparent magnitude (V) | 6.4 [1] |
| Apparent dimensions (V) | 45' |
| Physical characteristics | |
NGC 1647 is an open cluster in the constellation Taurus. It contains nearly 90 stars and it lies at a distance of 550 parsec.[2] It is visible even with binoculars close to Aldebaran. It was discovered by William Herschel in 1784.[3] It is located behind Taurus dark nebula complex, approximately 160 parsec away. The brightest main sequence stars are of sprectral type B7. Its age is estimated to be 150 million years.[4]
