Portal:Astronomy/Events/August 2011
| 1 August | Jupiter at west quadrature |
| 2 August, 20:56 | Moon at perigee Moon-Earth Dist: 365755 kms (Twice in the same month) |
| 3 August | Mercury at eastern stationary point |
| 5 August | 4 Vesta at opposition |
| 6 August | First Quarter Moon |
| 09 August | Venus at Perihelion |
| 13 August, 11:00 | Perseids peak |
| 13 August, 18:58 | Full moon |
| 16 August, 12:06 | Venus at superior conjunction |
| 17 August, 01:06 | Mercury at inferior conjunction |
| 18 August, 16:16 | Moon at apogee Moon-Earth Dist: 405159 kms |
| 21 August | Last Quarter Moon |
| 22 August | Neptune at opposition |
| 27 August | Venus at western stationary point |
| 29 August, 03:04 | New moon |
| 30 August, 17:30 | Moon at perigee Moon-Earth Dist: 360857 kms (Twice in the same month) |
| 30 August | Jupiter at western stationary point |