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The sky of Tokyo, Calendar, Planets (October, 2018)

The sky of Tokyo

The sky of Tokyo (8:00 p.m. Mid-October)
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Calendar (October)

2Last Quarter Moon
5Venus at stationary point
8Health-Sports Day [Taiiku-no-hi] (national holiday)
9New Moon / The October Draconid Meteor Shower peaks around this time. (The best time to observe is after sunset on the 9th. On the order of 1 meteors per hour are expected. There is no effect from moonlight.)
10The Southern Taurid Meteor Shower peaks around this time. (The best time to observe is before midnight October 5th to 20th. On the order of 2 meteors per hour are expected.)
17First Quarter Moon
21The Orionid Meteor Shower peaks around this time. (The best time to observe is before dawn for about 4~5 days around this date. On the order of 5 meteors per hour are expected. Conditions are very good after the Moon sets around dawn.)
24Uranus at opposition
25Full Moon
26Venus at inferior conjunction

The days for the peak activities of the meteor showers are based on the predictions of IMO(International Meteor Organization).

Planets

Mercury
Mercury’s apparent position is close to the Sun and not suited for observation.
Venus
Venus’s apparent position is close to the Sun and not suited for observation. Venus reaches inferior conjunction on October 26. It is positioned in the southeastern sky just before sunrise.
Mars
Mars moves east (direct motion) in the constellation Capricornus. It can be seen after sunset in the southern sky and sets around midnight. Its brightness is -1.3 magnitude to -0.6 magnitude.
Jupiter
Jupiter moves east (direct motion) in the constellation Libra. It is positioned low in the southwestern sky just after sunset. In the end of October, it sets an hour after sunset. Its brightness is -1.8 magnitude to -1.7 magnitude.
Saturn
Saturn moves east (direct motion) in the constellation Sagittarius. It can be seen after sunset in the southwestern sky. Its brightness is 0.5 magnitude to 0.6 magnitude.

Reference: Ephemeris Computation Office, NAOJ

With the “Sky Viewer” you can easily explore the appearance of a typical urban night sky (planets and constellations are visible). The Celestial Phenomena section of the glossary explains the planetary phenomena terms: greatest elongation, opposition, conjunction, stationary, etc.