# Polarissima Cluster (NGC 188)

Polarissima Cluster (NGC 188) is an open cluster in the constellation Cepheus, magnitude 8.1, 18′ across.

One of the oldest open clusters known, about 7 billion years old, less than 5° from the north celestial pole; small telescopes show a faint, rich haze of stars.

## When and where to see it

It is best placed in the evening sky around November, when it crosses the meridian at about 10 pm local time (around midnight in October). It can be seen from everywhere north of 5°S and never sets north of 5°N.

At its highest it stands 55° up from 50°N, 40° up from 35°N, 5° up from the equator, below the horizon from 35°S.

## Facts

- Type: Open cluster
- Constellation: Cepheus
- Designations: NGC 188, C 1, Mel 2, Cr 6, Melotte 2, Collinder 6
- Magnitude: 8.1
- Apparent size: 18′
- Position: RA 0h 47.5m, Dec +85° 16′ (J2000)

Open AstroPilot to see when Polarissima Cluster (NGC 188) is highest tonight from your location, how easy it is with your telescope or binoculars, and an eyepiece view. https://astropilot.space/object/NGC188