Deep Sky Monitor From Curiosity to Cosmos.

Cepheus Cep

Cepheus is one of the 88 constellations, covering 587 square degrees of the sky (27th largest). It is highest at midnight in August and best in the evening sky in September and October.

11 of its best-known objects have a page of their own here.

Facts

AbbreviationCep
Size587 square degrees (27th largest of the 88; the full Moon covers about 0.2)
Middle (J2000)22h 19m, +72°
Highest at midnightAugust (in the evening, around 8–10 pm: September and October)
How highFrom India (about 20° N) its middle climbs to about 38° above the horizon; from 50° N, to about 68°.
Pages here11 objects

Nebulae

5

Stars

6

Brightest NGC and IC objects

OpenNGC
ObjectTypeMagnitudeSize
NGC 7160 (on the map)Open star cluster 6.14.2′
NGC 7023 (Iris Nebula)Nebula 7.210′
NGC 7380Star cluster with nebula 7.225′
NGC 7234 (on the map)Open star cluster 7.72.4′
NGC 6939 (on the map)Open star cluster 7.812′
NGC 7510 (on the map)Open star cluster 7.93.9′
NGC 188 (on the map)Open star cluster 8.117.7′
NGC 7261 (on the map)Open star cluster 8.46.9′
NGC 7142 (on the map)Open star cluster 9.39.6′
NGC 7226 (on the map)Open star cluster 9.63′
NGC 2300 (on the map)Galaxy 11.23.1′
IC 1470 (on the map)HII region (glowing hydrogen) 11.51.8′

Smaller magnitudes are brighter; the faintest stars the eye sees are about 6. The full Moon is about 31′ across.

Data: IAU constellation boundaries (Roman 1987) · OpenNGC (Mattia Verga, CC BY-SA 4.0) · Data sources & credits