Open cluster · Cepheus
NGC 188 Polarissima Cluster
Also known as: C1
mag 8.118′ across
About
NGC 188, the Polarissima Cluster, is an open cluster of magnitude 8.1 in Cepheus, about 18′ across.
How to find it
- NGC 188 is in the constellation Cepheus.
- Where on Earth: it is seen well, at least 10° up, from north of 5° N.
When it rises and sets tonight, how high it climbs and how much the Moon gets in the way are worked out in your browser for your place.
What you will see
- EyesNot visible to the naked eye.
- Binoculars (10×50)A faint, grainy patch.
- Telescope (6–8 inch)A group of faint stars.
For a dark country sky with no Moon. From a city, faint galaxies and nebulae can disappear completely.
Facts
| Designations | NGC 188, C1 |
|---|---|
| Type | Open cluster |
| Magnitude | 8.1The smaller the number, the brighter. |
| Apparent size | 18′the full Moon is 31′ across |
| Constellation | Cepheus |
| Right ascension (J2000) | 00h 47m 27.5s |
| Declination (J2000) | +85° 16′ 11″ |
More in Cepheus
NGC 7023Iris NebulaReflection nebula · mag 7.2
Sh2-155Cave NebulaEmission nebula · mag 7.7
NGC 40Bow-Tie NebulaPlanetary nebula · mag 11.3
NGC 7160Swimming Alligator ClusterOpen cluster · mag 6.1
NGC 7380The Wizard NebulaCluster with nebula · mag 7.2
NGC 6939Ghost Bush ClusterOpen cluster · mag 7.8
NGC 7510The Dormouse ClusterOpen cluster · mag 7.9
NGC 7129Small Cluster NebulaCluster with nebula · mag 11.5Sources and credits
Catalog data: OpenNGC by Mattia Verga, CC BY-SA 4.0, and d3-celestial by Olaf Frohn, BSD 3-Clause. All data sources →