A table listing some of the Astronomical Phenomena for October 2018:
| Day (UT) | Time (UT) | Event |
|---|---|---|
| 2 | 09:46 | Last quarter moon. |
| 3 | 12:27 | Moon 7.6 degrees south of Pollux (mag. +1.1). |
| 5 | 04:13 | Venus (mag. -4.7) begins retrograde motion. |
| 5 | 22:19 | Moon at perigee approx. 366,395 kilometres or 227,667 miles from the Earth. |
| 5 | 22:22 | Moon 1.9 degrees north of Regulus (mag. +1.4). |
| 9 | 03:47 | New moon. |
| 10 | 14:48 | Venus (mag. -4.6) 13.2 degrees south of Moon. |
| 11 | 21:20 | Jupiter (mag. -1.8) 4.1 degrees south of Moon. |
| 13 | 02:06 | Moon 8.7 degrees north of Antares (mag. +1.0). |
| 14 | 15:15 | Mercury (mag. -0.3) 6.8 degrees north of Venus (mag. -4.5). |
| 15 | 02:46 | Saturn (mag. +0.6) 1.8 degrees south of Moon. |
| 15 | 14:50 | Vesta (mag. +7.6) 4.6 degrees south of Moon. |
| 16 | 07:22 | Mars (mag. -1.0) southern solstice. |
| 16 | 09:20 | Mercury (mag. -0.3) is at aphelion 0.467 AU (approx. 69.9 million kilometres or 43.4 million miles) from the Sun. |
| 16 | 18:02 | First quarter moon. |
| 17 | 19:14 | Moon at apogee approx. 404,225 kilometres or 251,173 miles from the Earth. |
| 18 | 13:02 | Mars (mag. -0.9) 1.9 degrees south of Moon. |
| 20 | 22:14 | Neptune (mag. +7.8) 2.5 degrees north of Moon. |
| 24 | 00:46 | Uranus (mag. +5.7) at opposition 18.875 AU (approx. 2823.7 million kilometres or 1754.5 million miles) from the Earth. |
| 24 | 12:32 | Uranus (mag. +5.7) 4.7 degrees north of Moon. |
| 24 | 16:46 | Full moon. |
| 21 | 00:00 | Orionids meteor shower peaks ZHR = 25 (can vary between 20 and 70) |
| 25 | 02:07 | Venus at inferior conjunction. |
| 27 | 13:32 | Moon 1.6 degrees north of Aldebaran (mag. +0.9). |
| 30 | 03:46 | Mercury (mag. -0.2) 3.3 degrees south of Jupiter (mag. -1.7). |
| 30 | 17:48 | Moon 7.3 degrees south of Pollux (mag. +1.1). |
| 31 | 16:41 | Last quarter moon. |
| 31 | 20:23 | Moon at perigee approx. 370,200 kilometres or 230,032 miles from the Earth. |