December 1988 天文現象

観測地点:Beijing (39.904°, 116.407°)

月間天文現象概要

25 合計天文イベント、含む 5 月相と 4 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

December 1988 mid-month observing conditions

Mercury

Excellent
見かけの等級: -0.9
星座: Capricornus
Angular diameter: 4.8"
Status: near greatest western elongation

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

赤経: 18h03m31s
赤緯: -25°22'21"

Venus

Excellent
見かけの等級: -3.9
星座: Scorpius
Angular diameter: 11.5"
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: 15h38m29s
赤緯: -18°00'07"

Mars

Excellent
見かけの等級: -0.5
星座: Aries
Angular diameter: 11.3"
Status: near western quadrature

Observation tip: Very bright, easily visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

赤経: 00h44m19s
赤緯: +04°52'24"

Jupiter

Excellent
見かけの等級: -2.8
星座: Taurus
Angular diameter: 47.9"
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: 03h44m54s
赤緯: +18°49'48"

Saturn

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

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

赤経: 18h15m33s
赤緯: -22°39'25"

Uranus

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

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

赤経: 18h03m11s
赤緯: -23°39'27"

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: 18h40m08s
赤緯: -22°12'47"

Moon

Excellent
見かけの等級: -12.7
星座: Pisces
Angular diameter: 12550.7"
Status: Moon illumination 36.2%

Observation tip: Moon illumination 36.2%; good for observing lunar surface detail

赤経: 22h35m21s
赤緯: -08°58'28"