NGC 189

Also 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

Distance from Earth: 2452.7
Image: NGC 0189 DSS.jpg

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catalog code: [KPS2012] MWSC 0062
time of discovery or invention: 1783-09-27
apparent magnitude: 8.8
right ascension: 9.8700
declination: 61.1150
right ascension component of proper motion: -0.31
declination component of proper motion: -2.71
Commons category: NGC 189

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Article

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.