October 2009 天文現象

観測地点:Beijing (39.904°, 116.407°)

月間天文現象概要

18 合計天文イベント、含む 4 月相と 1 惑星イベント。

毎日の天文現象

すべての時刻は現地時間 (Asia/Shanghai)

Group 日付 日の出/日の入り 月の出/月の入り 月相 天文現象

Planetary outlook

October 2009 mid-month observing conditions

Mercury

Excellent
見かけの等級: -1.0
星座: Libra
Angular diameter: 5.6"
Status: near inferior conjunction

Observation tip: Very bright, easily visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

赤経: 12h30m12s
赤緯: -01°06'21"

Venus

Excellent
見かけの等級: -3.9
星座: Libra
Angular diameter: 10.8"
Status: near inferior conjunction

Observation tip: Very bright, easily visible to the naked eye; Venus is the brightest planet and is best seen at dusk or dawn

赤経: 12h02m37s
赤緯: +01°21'25"

Mars

Excellent
見かけの等級: 0.6
星座: Leo
Angular diameter: 7.1"
Status: near eastern quadrature

Observation tip: Visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

赤経: 08h06m12s
赤緯: +21°22'38"

Jupiter

Excellent
見かけの等級: -2.6
星座: Aquarius
Angular diameter: 43.7"
Status: near western quadrature

Observation tip: Very bright, easily visible to the naked eye; Its moons are easy to spot and it is excellent for telescope observing

赤経: 21h19m49s
赤緯: -16°41'52"

Saturn

Excellent
見かけの等級: 1.1
星座: Virgo
Angular diameter: 16.0"
Status: near eastern quadrature

Observation tip: Visible to the naked eye; Saturn’s rings require a telescope to see clearly

赤経: 11h57m03s
赤緯: +02°30'23"

Uranus

Fair
見かけの等級: 5.8
星座: Pisces
Angular diameter: 3.7"
Status: near western quadrature

Observation tip: Binoculars are recommended; Binoculars or a telescope are recommended

赤経: 23h37m43s
赤緯: -03°16'22"

Neptune

Fair
見かけの等級: 7.7
星座: Aquarius
Angular diameter: 2.3"
Status: near western quadrature

Observation tip: A telescope is required; A telescope is required; Neptune appears blue-green

赤経: 21h45m05s
赤緯: -13°58'54"

Moon

Excellent
見かけの等級: -12.7
星座: Virgo
Angular diameter: 12578.7"
Status: Moon illumination 13.1%

Observation tip: Moon illumination 13.1%; good for observing lunar surface detail

赤経: 10h39m33s
赤緯: +04°45'33"