December 2031 天文現象

観測地点:Beijing (39.904°, 116.407°)

月間天文現象概要

22 合計天文イベント、含む 4 月相と 3 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 2031 mid-month observing conditions

Mercury

Excellent
見かけの等級: -0.2
星座: Sagittarius
Angular diameter: 7.2"
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: 16h01m25s
赤緯: -18°02'45"

Venus

Excellent
見かけの等級: -4.1
星座: Scorpius
Angular diameter: 15.3"
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: 14h43m30s
赤緯: -13°29'58"

Mars

Excellent
見かけの等級: 0.9
星座: Aquarius
Angular diameter: 5.6"
Status: near western quadrature

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

赤経: 21h26m16s
赤緯: -16°24'01"

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: 18h28m04s
赤緯: -23°14'30"

Saturn

Excellent
見かけの等級: -0.5
星座: Gemini
Angular diameter: 20.7"
Status: near western quadrature

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

赤経: 05h13m50s
赤緯: +21°25'51"

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: 05h39m37s
赤緯: +23°30'23"

Neptune

Fair
見かけの等級: 7.7
星座: Aries
Angular diameter: 2.3"
Status: near western quadrature

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

赤経: 00h49m43s
赤緯: +03°36'34"

Moon

Excellent
見かけの等級: -12.7
星座: Capricornus
Angular diameter: 12881.4"
Status: Moon illumination 0.7%

Observation tip: Moon illumination 0.7%; good for observing lunar surface detail

赤経: 18h05m57s
赤緯: -19°53'51"