October 2005 Phenomena
Updated February 21, 2017 | Factmonster Staff 
October
For terms in boldface, see Astronomical Terms.
| Day | Phenomenon | Hour |
|---|---|---|
| 1 | Mars appears to be motionless in the sky as it goes from direct motion to retrograde motion. | 1000 |
| 3 | NEW MOON. Annular eclipse of the Sun. | 1000 |
| 4 | Mercury is 2° north of Spica, the brightest star in the constellation Virgo. | 0800 |
| 6 | Mercury is 1° 5' south of Jupiter. | 0700 |
| 7 | Venus is 1° 4' north of the Moon. | 0600 |
| 8 | Antares, the brightest star in the constellation Scorpius, is 0° 2' south of the Moon. Occultation of Antares by the Moon. | 0100 |
| 10 | FIRST QUARTER | 1900 |
| 12 | Neptune is 5° north of the Moon. | 1500 |
| 14 | Uranus is 3° north of the Moon. | 0500 |
| 14 | The Moon is at perigee. | 1400 |
| 16 | Venus is 1° 6' north of Antares, the brightest star in the constellation Scorpius. | 1800 |
| 17 | FULL MOON. Partial eclipse of the Moon. | 1200 |
| 19 | Mars is 5° south of the Moon. | 1300 |
| 22 | Jupiter is in conjunction with the Sun. | 1300 |
| 25 | LAST QUARTER | 0100 |
| 25 | Saturn is 4° south of the Moon. | 1700 |
| 26 | The Moon is at apogee. | 1000 |
| 26 | Neptune appears to be motionless in the sky as it goes from retrograde to direct motion. | 2200 |
| 30 | Mars makes its closest approach to Earth since 2003. | 0300 |
| 31 | Spica, the brightest star in the constellation Virgo, is 1° 2' south of the Moon. Occultation of Spica by the Moon. | 1900 |
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