NGC 189
Sign in to saveAlso known as New General Catalogue 189
open cluster in the constellation Cassiopeia
Key facts
- Right ascension
- 0 39 28.8
- Declination
- +61° 6 54
- Distance
- 4,200 ly (1,300 pc )
- Apparent dimensions v
- 0.120°
- Estimated age
- 510 Myr
- Other designations
- Cr 462, C 0036+608, OCL 301
- Constellation
- Cassiopeia
via Wikipedia infobox
Wikidata facts
- Instance of
- open cluster
- Constellation
- Cassiopeia
- Distance from Earth
- 2452.7
- Image
- NGC 0189 DSS.jpg
Show 10 more facts
- catalog code
- [KPS2012] MWSC 0062
- discoverer or inventor
- John Frederick William Herschel
- time of discovery or invention
- 1783-09-27
- apparent magnitude
- 8.8
- right ascension
- 9.8700
- declination
- 61.1150
- epoch
- J2000.0
- right ascension component of proper motion
- -0.31
- declination component of proper motion
- -2.71
- Commons category
- NGC 189
Sources (2)
via Wikidata · CC0
~1 min read
Encyclopedic overview
NGC 189 is an open cluster in the Cassiopeia constellation. It was discovered by Caroline Herschel on 27 September 1783, and independently rediscovered by John Herschel on 27 October 1829.
NGC 189 orbits the Milky Way on a nearly circular orbit with an eccentricity of 0.053 and an orbital period of 231,000 years. It enters the solar circle at parts of its orbit, and is part of the thin disk of the Milky Way.
Excerpted from Wikipedia’s “NGC 189” article, available under the CC BY-SA 4.0 licence.