December 1986 天文現象

観測地点:Beijing (39.904°, 116.407°)

月間天文現象概要

26 合計天文イベント、含む 5 月相と 3 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 1986 mid-month observing conditions

Mercury

Excellent
見かけの等級: -0.6
星座: Sagittarius
Angular diameter: 5.2"
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: 16h22m08s
赤緯: -20°46'40"

Venus

Excellent
見かけの等級: -4.9
星座: Scorpius
Angular diameter: 38.2"
Status: near greatest eastern 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: 14h38m26s
赤緯: -12°31'27"

Mars

Excellent
見かけの等級: 0.3
星座: Pisces
Angular diameter: 7.7"
Status: near western quadrature

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

赤経: 22h58m24s
赤緯: -07°30'43"

Jupiter

Excellent
見かけの等級: -2.3
星座: Pisces
Angular diameter: 39.5"
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: 23h07m21s
赤緯: -07°00'16"

Saturn

Excellent
見かけの等級: 0.5
星座: Sagittarius
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: 16h48m53s
赤緯: -20°56'16"

Uranus

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

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

赤経: 17h27m37s
赤緯: -23°20'42"

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: 18h21m49s
赤緯: -22°20'01"

Moon

Excellent
見かけの等級: -12.7
星座: Gemini
Angular diameter: 11488.7"
Status: Moon illumination 98.4%

Observation tip: Moon illumination 98.4%; good for observing lunar surface detail

赤経: 04h24m53s
赤緯: +25°32'41"