Key facts
- Right ascension
- 04 45 55
- Declination
- ±19 ° 06 ′ 54 ″
- Distance
- 1,800 ly (on average) (550 pc )
- Apparent dimensions v
- 45'
- Other designations
- Cr 54
- Constellation
- Taurus
via Wikipedia infobox
Wikidata facts
- Instance of
- open cluster
- Constellation
- Taurus
- Parent body
- Orion Arm
- Distance from Earth
- 539
- Image
- (palle)NGC 1647.jpg
Show 11 more facts
- right ascension
- 71.4792
- declination
- 19.1150
- catalog code
- [KPS2012] MWSC 0416
- discoverer or inventor
- William Herschel
- time of discovery or invention
- 1784-02-15
- apparent magnitude
- 6.4
- radial velocity
- -2.3
- Commons category
- NGC 1647
- epoch
- J2000.0
- right ascension component of proper motion
- -1.87
- declination component of proper motion
- -2.23
Sources (2)
via Wikidata · CC0
~1 min read
Encyclopedic overview
NGC 1647 is an open cluster in the constellation Taurus. It contains nearly 90 stars and it lies at a distance of 550 parsec. It is visible even with binoculars close to Aldebaran. It was discovered by William Herschel in 1784. It is located behind the Taurus dark nebula complex, approximately 160 parsec away. The brightest main sequence stars are of spectral type B7. Its age is estimated to be 150 million years.
References
Excerpted from Wikipedia’s “NGC 1647” article, available under the CC BY-SA 4.0 licence.