December 1919 天文現象

観測地点:Beijing (39.904°, 116.407°)

月間天文現象概要

17 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

December 1919 mid-month observing conditions

Mercury

Excellent
見かけの等級: -0.1
星座: Sagittarius
Angular diameter: 7.8"
Status: near greatest eastern 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: 16h02m48s
赤緯: -17°54'37"

Venus

Excellent
見かけの等級: -4.3
星座: Scorpius
Angular diameter: 19.8"
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: 14h20m09s
赤緯: -11°15'43"

Mars

Excellent
見かけの等級: 1.2
星座: Libra
Angular diameter: 5.7"
Status: near eastern quadrature

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

赤経: 12h31m41s
赤緯: -01°26'24"

Jupiter

Excellent
見かけの等級: -2.4
星座: Leo
Angular diameter: 42.0"
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: 09h22m39s
赤緯: +16°08'17"

Saturn

Excellent
見かけの等級: 0.7
星座: Virgo
Angular diameter: 18.3"
Status: near eastern quadrature

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

赤経: 10h54m50s
赤緯: +08°48'25"

Uranus

Fair
見かけの等級: 5.9
星座: Pisces
Angular diameter: 3.5"
Status: near western quadrature

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

赤経: 22h03m05s
赤緯: -12°44'44"

Neptune

Fair
見かけの等級: 7.8
星座: Leo
Angular diameter: 2.3"
Status: near eastern quadrature

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

赤経: 08h54m58s
赤緯: +17°21'49"

Moon

Excellent
見かけの等級: -12.7
星座: Virgo
Angular diameter: 11808.2"
Status: Moon illumination 42.6%

Observation tip: Moon illumination 42.6%; good for observing lunar surface detail

赤経: 11h55m32s
赤緯: -04°08'59"