December 1948 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 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 1948 mid-month observing conditions

Mercury

Excellent
見かけの等級: -1.2
星座: Sagittarius
Angular diameter: 4.6"
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: 17h34m14s
赤緯: -24°44'09"

Venus

Excellent
見かけの等級: -4.0
星座: Scorpius
Angular diameter: 12.0"
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: 15h25m44s
赤緯: -17°04'58"

Mars

Excellent
見かけの等級: 1.2
星座: Capricornus
Angular diameter: 4.1"
Status: near western quadrature

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

赤経: 19h00m37s
赤緯: -23°47'16"

Jupiter

Excellent
見かけの等級: -1.9
星座: Capricornus
Angular diameter: 32.0"
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: 18h28m07s
赤緯: -23°16'18"

Saturn

Excellent
見かけの等級: 0.6
星座: Virgo
Angular diameter: 18.6"
Status: near eastern quadrature

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

赤経: 10h34m13s
赤緯: +10°41'17"

Uranus

Fair
見かけの等級: 5.5
星座: Gemini
Angular diameter: 3.9"
Status: near eastern quadrature

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

赤経: 05h54m39s
赤緯: +23°38'56"

Neptune

Fair
見かけの等級: 7.9
星座: Libra
Angular diameter: 2.2"
Status: near eastern quadrature

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

赤経: 12h57m11s
赤緯: -04°26'11"

Moon

Excellent
見かけの等級: -12.7
星座: Gemini
Angular diameter: 12146.8"
Status: Moon illumination 97.7%

Observation tip: Moon illumination 97.7%; good for observing lunar surface detail

赤経: 04h12m54s
赤緯: +23°54'14"