December 1947 天文現象

観測地点:Beijing (39.904°, 116.407°)

月間天文現象概要

25 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 1947 mid-month observing conditions

Mercury

Excellent
見かけの等級: -0.7
星座: Sagittarius
Angular diameter: 4.9"
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: 16h39m23s
赤緯: -22°08'25"

Venus

Excellent
見かけの等級: -3.9
星座: Capricornus
Angular diameter: 11.3"
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: 19h18m08s
赤緯: -23°47'32"

Mars

Excellent
見かけの等級: 0.2
星座: Virgo
Angular diameter: 9.0"
Status: near eastern quadrature

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

赤経: 10h28m24s
赤緯: +12°31'45"

Jupiter

Excellent
見かけの等級: -1.8
星座: Sagittarius
Angular diameter: 31.3"
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: 16h39m47s
赤緯: -21°36'00"

Saturn

Excellent
見かけの等級: 0.3
星座: Leo
Angular diameter: 19.2"
Status: near eastern quadrature

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

赤経: 09h41m09s
赤緯: +15°00'36"

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: 05h34m47s
赤緯: +23°28'02"

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: 12h49m10s
赤緯: -03°37'45"

Moon

Excellent
見かけの等級: -12.7
星座: Capricornus
Angular diameter: 11505.0"
Status: Moon illumination 5.7%

Observation tip: Moon illumination 5.7%; good for observing lunar surface detail

赤経: 19h26m58s
赤緯: -26°19'15"