December 1940 天文現象

観測地点:Beijing (39.904°, 116.407°)

月間天文現象概要

19 合計天文イベント、含む 4 月相と 0 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 1940 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: 16h25m21s
赤緯: -21°02'28"

Venus

Excellent
見かけの等級: -3.9
星座: Scorpius
Angular diameter: 12.1"
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: 15h23m15s
赤緯: -16°53'33"

Mars

Excellent
見かけの等級: 1.7
星座: Scorpius
Angular diameter: 4.1"
Status: near eastern quadrature

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

赤経: 14h55m02s
赤緯: -16°07'50"

Jupiter

Excellent
見かけの等級: -2.7
星座: Taurus
Angular diameter: 46.3"
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: 02h16m55s
赤緯: +12°22'25"

Saturn

Excellent
見かけの等級: 0.0
星座: Taurus
Angular diameter: 19.6"
Status: near western quadrature

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

赤経: 02h27m46s
赤緯: +11°55'29"

Uranus

Fair
見かけの等級: 5.6
星座: Taurus
Angular diameter: 3.8"
Status: near western quadrature

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

赤経: 03h22m45s
赤緯: +18°16'18"

Neptune

Fair
見かけの等級: 7.9
星座: Virgo
Angular diameter: 2.3"
Status: near eastern quadrature

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

赤経: 11h53m17s
赤緯: +02°05'01"

Moon

Excellent
見かけの等級: -12.7
星座: Gemini
Angular diameter: 11871.8"
Status: Moon illumination 99.8%

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

赤経: 05h39m04s
赤緯: +18°27'45"