Eridanus Constellation
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Eridanus, the river, is a large constellation representing a river flowing from the foot of Orion towards the southern sky.
Eridanus Rise and Set Timetable
| Time | Elevation | |
| Astronomical observing session begins | 18:16 | -38° |
Moonrise, 56.5% illuminated  | 21:14 | -7° |
| Eridanus rise | 21:58 | |
| Eridanus transit | 01:58 | 19° |
| Astronomical observing session ends | 04:08 | 13° |
| Civil sunrise | 04:39 | 10° |
| Sunrise | 05:06 | 7° |
| Eridanus set | 05:57 | |
| Moonset | 12:53 | -77° |
Track Eridanus position throughout the night
← 3 October 2026 →
| Time | |
| Altitude | |
| Azimuth |
Shift the map to change the time and observe Eridanus changing position in the night sky.
Annual motion of Eridanus
| Date | Sun, 4 October 2026 |
| Twilight start | 18:13 |
| Twilight end | 03:36 |
| Twilight duration | 9h 23m |
| Rise | 21:54 |
| Set | 05:53 |
| Elevation at transit | 19° |
| Transit time | 01:54 |
| Equatorial coordinates | RA: 03h 38m 52s", Dec: -33° 15' 39s |