December 1974 天文現象

観測地点:Beijing (39.904°, 116.407°)

月間天文現象概要

23 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 1974 mid-month observing conditions

Mercury

Excellent
見かけの等級: -1.1
星座: Sagittarius
Angular diameter: 4.6"
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: 17h15m50s
赤緯: -24°03'24"

Venus

Excellent
見かけの等級: -3.9
星座: Capricornus
Angular diameter: 9.9"
Status: near greatest western 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: 18h08m55s
赤緯: -24°07'28"

Mars

Excellent
見かけの等級: 1.5
星座: Sagittarius
Angular diameter: 3.8"
Status: near eastern quadrature

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

赤経: 16h03m15s
赤緯: -20°45'26"

Jupiter

Excellent
見かけの等級: -2.3
星座: Pisces
Angular diameter: 38.8"
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: 22h50m55s
赤緯: -08°38'49"

Saturn

Excellent
見かけの等級: -0.3
星座: Cancer
Angular diameter: 20.5"
Status: near eastern quadrature

Observation tip: Very bright, easily visible to the naked eye; Saturn’s rings require a telescope to see clearly

赤経: 07h14m18s
赤緯: +21°54'44"

Uranus

Fair
見かけの等級: 5.6
星座: Libra
Angular diameter: 3.7"
Status: near eastern quadrature

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

赤経: 13h57m03s
赤緯: -11°24'05"

Neptune

Fair
見かけの等級: 8.0
星座: Sagittarius
Angular diameter: 2.2"
Status: near eastern quadrature

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

赤経: 16h33m40s
赤緯: -20°25'28"

Moon

Excellent
見かけの等級: -12.7
星座: Capricornus
Angular diameter: 11718.4"
Status: Moon illumination 1.8%

Observation tip: Moon illumination 1.8%; good for observing lunar surface detail

赤経: 18h33m05s
赤緯: -20°47'05"