The New Moon occurs on October 21st making the weekend of October 21st-22nd the best possible weekend for dark sky observing.
Being the closest Full Moon or the Autumnal Equinox (September 22nd, 2006), the Full Moon in October is called the "Harvest Moon" and will occur on October 6th, 2006.
Mercury is visible in the early evening all month. The best possible evening views of Mercury will occur on October 16th, when Mercury will reach its Greatest Eastern Elongation reach 24°49′16" from the Sun and setting one hour and forty minutes after the Sun.
Mercury starts the month in the constellation Virgo (The Maiden) and on October 8th moves into the constellation Libra (The Balance). On October 22nd, Mercury will be in close conjunction with the planet Jupiter coming with 4° of each other.
|This Quicktime movie shows the position of Mercury during the month of October. Each frame is a sidereal day. As you can see Mercury comes within 4° of Jupiter, on October 22nd, as it slows down to start its retrograde motion at the end of the month.|
Venus spends almost the entire month in the constellation Virgo (The Maiden) and crosses into the constellation Libra (The Balance) on October 30th. Unfortunately, Venus disappears into the glare of the Sun at the beginning of the month as is unobservable all month.
|On October 16th, Saturn will come within 2° of the Moon.|
Uranus is in the constellation Aquarius (The Water Bearer) until the year 2009. Uranus is observable from evening to the middle of the night in October and is located within 1° of the star Lambda Aquarii all month. Neptune sets arount 4:45 am at the beginning of the month and sets arount 2:45 am at the end of the month.
Neptune can be located in the constellation Capricornus (The Sea Goat) until the year 2010. Neptune is observable from evening until the middle of the night in October and is located within 1°30′ of the star Iota Capricorni all month. Neptune sets arount 2:45 am at the beginning of the month and sets around 12:45 am at the end of the month.
Pluto is found in the constellation Ophiuchus (The Serpent Bearer) all month. Pluto is observable during the evening hours in October and is located within 1° of the star Xi Serpentis all month. At the beginning of the month Pluto sets around 11:00 pm and by the end of the month Pluto sets arount 8:45 pm.