January 1989 天文現象

観測地点:Beijing (39.904°, 116.407°)

月間天文現象概要

21 合計天文イベント、含む 4 月相と 2 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

January 1989 mid-month observing conditions

Mercury

Excellent
見かけの等級: 0.2
星座: Aquarius
Angular diameter: 8.1"
Status: near superior conjunction

Observation tip: Visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

赤経: 20h56m11s
赤緯: -16°35'28"

Venus

Excellent
見かけの等級: -3.9
星座: Capricornus
Angular diameter: 10.6"
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: 18h23m06s
赤緯: -23°06'47"

Mars

Excellent
見かけの等級: 0.2
星座: Aries
Angular diameter: 8.5"
Status: near western quadrature

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

赤経: 01h41m20s
赤緯: +11°22'33"

Jupiter

Excellent
見かけの等級: -2.6
星座: Taurus
Angular diameter: 44.3"
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: 03h36m06s
赤緯: +18°28'30"

Saturn

Excellent
見かけの等級: 0.5
星座: Capricornus
Angular diameter: 15.1"
Status: near eastern quadrature

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

赤経: 18h31m18s
赤緯: -22°32'31"

Uranus

Fair
見かけの等級: 5.8
星座: Capricornus
Angular diameter: 3.5"
Status: near eastern quadrature

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

赤経: 18h11m14s
赤緯: -23°38'22"

Neptune

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

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

赤経: 18h45m09s
赤緯: -22°07'57"

Moon

Excellent
見かけの等級: -12.7
星座: Aries
Angular diameter: 12471.4"
Status: Moon illumination 54.8%

Observation tip: Moon illumination 54.8%; good for observing lunar surface detail

赤経: 01h46m23s
赤緯: +15°30'17"