Cepheus Constellation
Double-click to unlock the map.
Cepheus, the king, is a northern constellation named after the mythological king Cepheus of Ethiopia. It contains the star Alderamin, part of the northern sky's circumpolar stars.
Cepheus Rise and Set Timetable
| Time | Elevation | |
| Cepheus is always above the horizon | ||
Moonrise, 25.9% illuminated  | 11:16 | 27° |
| Sunset | 16:27 | 48° |
| Civil sunset | 16:55 | 50° |
| Twilight start (−12°) | 17:25 | 52° |
| Astronomical observing session begins | 18:18 | 54° |
| Cepheus is always above the horizon | ||
| Cepheus transit | 19:27 | 55° |
| Moonset | 20:29 | 54° |
| Astronomical observing session ends | 04:21 | 24° |
| Civil sunrise | 04:51 | 23° |
| Sunrise | 05:19 | 22° |
Track Cepheus position throughout the night
← 17 October 2026 →
| Time | |
| Altitude | |
| Azimuth |
Shift the map to change the time and observe Cepheus changing position in the night sky.
Annual motion of Cepheus
| Date | Sun, 18 October 2026 |
| Twilight start | 17:54 |
| Twilight end | 03:49 |
| Twilight duration | 10h 55m |
| Rise | Cepheus is always up |
| Set | Cepheus is always up |
| Elevation at transit | 55° |
| Transit time | 19:23 |
| Equatorial coordinates | RA: 22h 02m 10s", Dec: 72° 25' 31s |