January 2031 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 1 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

January 2031 mid-month observing conditions

Mercury

Excellent
見かけの等級: -0.3
星座: Capricornus
Angular diameter: 5.6"
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: 18h16m06s
赤緯: -23°03'05"

Venus

Excellent
見かけの等級: -3.9
星座: Aquarius
Angular diameter: 10.7"
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: 21h14m04s
赤緯: -17°40'52"

Mars

Excellent
見かけの等級: 0.9
星座: Libra
Angular diameter: 6.6"
Status: near eastern quadrature

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

赤経: 13h52m27s
赤緯: -09°37'27"

Jupiter

Excellent
見かけの等級: -1.8
星座: Sagittarius
Angular diameter: 32.4"
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: 17h09m18s
赤緯: -22°22'19"

Saturn

Excellent
見かけの等級: -0.1
星座: Gemini
Angular diameter: 19.7"
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: 04h02m30s
赤緯: +18°42'27"

Uranus

Fair
見かけの等級: 5.5
星座: Gemini
Angular diameter: 3.8"
Status: near western quadrature

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

赤経: 05h14m32s
赤緯: +23°07'22"

Neptune

Fair
見かけの等級: 7.8
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: 00h41m53s
赤緯: +02°50'46"

Moon

Excellent
見かけの等級: -12.7
星座: Libra
Angular diameter: 12080.3"
Status: Moon illumination 66.2%

Observation tip: Moon illumination 66.2%; good for observing lunar surface detail

赤経: 12h14m06s
赤緯: -06°23'34"