October 1989 天文現象

観測地点:Beijing (39.904°, 116.407°)

月間天文現象概要

23 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 1989 mid-month observing conditions

Mercury

Excellent
見かけの等級: -0.8
星座: Libra
Angular diameter: 6.2"
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: 12h20m25s
赤緯: -00°04'35"

Venus

Excellent
見かけの等級: -4.3
星座: Sagittarius
Angular diameter: 19.5"
Status: near greatest western elongation

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: 16h19m00s
赤緯: -24°08'36"

Mars

Excellent
見かけの等級: 1.6
星座: Libra
Angular diameter: 3.6"
Status: near eastern quadrature

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

赤経: 13h02m06s
赤緯: -05°53'20"

Jupiter

Excellent
見かけの等級: -2.4
星座: Cancer
Angular diameter: 40.8"
Status: near eastern 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: 06h45m49s
赤緯: +22°45'50"

Saturn

Excellent
見かけの等級: 0.5
星座: Capricornus
Angular diameter: 16.3"
Status: near western quadrature

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

赤経: 18h35m40s
赤緯: -22°46'21"

Uranus

Fair
見かけの等級: 5.7
星座: Capricornus
Angular diameter: 3.6"
Status: near western quadrature

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

赤経: 18h08m05s
赤緯: -23°41'52"

Neptune

Fair
見かけの等級: 7.9
星座: Capricornus
Angular diameter: 2.2"
Status: near western quadrature

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

赤経: 18h42m12s
赤緯: -22°12'13"

Moon

Excellent
見かけの等級: -12.7
星座: Aries
Angular diameter: 13042.6"
Status: Moon illumination 99.8%

Observation tip: Moon illumination 99.8%; good for observing lunar surface detail

赤経: 01h21m04s
赤緯: +13°15'41"