NGC 188
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| Observation data: J2000 epoch | |
|---|---|
| Class: | Open Cluster |
| Constellation: | Cepheus |
| Right ascension: | 00h 48m 26s[1] |
| Declination: | +85° 15.3′[1] |
| Distance: | () |
| Apparent magnitude (V): | |
| Apparent dimensions (V): | 15′ |
| Physical characteristics | |
| Mass: | ( M☉) |
| Radius: | unknown |
| VHB: | |
| Estimated age: | |
| Notable features: | |
| Other designations: | Cl Melotte 2[1] |
| See also: Open cluster, List of open clusters | |
NGC 188 is an open cluster in the Cepheus constellation. It was discovered by John Herschel in 1825. Unlike most open clusters that drift apart after a few million years because of the gravitational interaction of our galaxy, NGC 188 lies far above the plane of the galaxy and is one of the most ancient of open clusters.
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