| 1 September |
Alpha Aurigids meteor shower
|
| 3 September, 05:54 |
Mercury at greatest western elongation (18.07º)(diameter = 7.3")
|
| 3 September, 15:11 |
Mercury in ascending node
|
| 4 September, 17:39 |
First quarter moon (diameter = 31.8')
|
| 5 September, 07:34 |
Moon in ascending node (furthest south (- 23.1))(diameter = 31.6')
|
| 8 September, 06:48 |
Mercury at perihelion (Perihermion)(diameter = 6.3")
|
| 10 September, 11:42 |
Comet Elenin at perihelion (distance = 0.4824 AU (72,170,000 km; 44,840,000 mi))
|
| 11 September, 16:20 |
Moon greatest latitude north (4º 56')
|
| 12 September, 08:24 |
Venus heliacal rising east
|
| 12 September, 09:27 |
Full moon (diameter = 29.6')
|
| 13 September, 14:28 |
Mars northward equinox (Northern Autumn / Southern Spring)
|
| 16 September |
1 Ceres at opposition
|
| 16 September, 06:13 |
Moon at apogee (406 065 km)(diameter = 29.4')
|
| 16 September, 15:27 |
Moon in conjunction with Jupiter
|
| 16 September, 18:20 |
Pluto at direct motion with Sun
|
| 16 September, 11:59 |
Pluto stationary in R.A.
|
| 17 September, 07:53 |
Mercury heliacal setting west
|
| 18 September, 12:07 |
Mercury greatest helio latitude north
|
| 19 September, 19:38 |
Moon in descending node (furthest north (22.9))(diameter = 30.2')
|
| 20 September, 13:39 |
Last quarter moon (diameter = 30.5')
|
| 23 September, 09:05 |
Earth southward equinox
|
| 23 September, 06:24 |
Moon in conjunction with Mars
|
| 25 September, 16:23 |
Moon greatest latitude south (4º 57')
|
| 26 September, 00:15 |
Uranus at opposition (diameter = 3.7")
|
| 26 September, 12:52 |
Saturn heliacal rising east
|
| 27 September, 11:09 |
New moon (diameter = 33.4')
|
| 27 September, 09:07 |
Moon in conjunction with Mercury
|
| 28 September, 00:57 |
Moon at perigee (357 566 km)(diameter = 33.4') with only 14 hours separating New Moon and perigee, expect unusually high tides.
|
| 28 September |
Pluto at eastern quadrature (diameter = 0.1")
|
| 28 September, 09:36 |
Moon in conjunction with Saturn
|
| 28 September, 09:34 |
Pluto in square with Sun
|
| 28 September, 20:18 |
Mercury at superior conjunction (diameter = 4.8")(1º21' N of Sun)
|
| 30 September, 11:06 |
Venus in conjunction with Saturn (Angle distance = 1°24' south of Saturn)(Elongation to sun = 11.8° East)
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