December 2057 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 4 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 2057 mid-month observing conditions

Mercury

Excellent
見かけの等級: 0.1
星座: Sagittarius
Angular diameter: 8.1"
Status: near greatest eastern elongation

Observation tip: Visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

赤経: 16h14m06s
赤緯: -18°20'09"

Venus

Excellent
見かけの等級: -3.9
星座: Sagittarius
Angular diameter: 9.8"
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: 17h18m45s
赤緯: -23°04'33"

Mars

Excellent
見かけの等級: 1.2
星座: Capricornus
Angular diameter: 3.9"
Status: near western quadrature

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

赤経: 18h14m34s
赤緯: -24°14'24"

Jupiter

Excellent
見かけの等級: -2.3
星座: Pisces
Angular diameter: 38.7"
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: 22h49m52s
赤緯: -08°43'52"

Saturn

Excellent
見かけの等級: 0.2
星座: Aries
Angular diameter: 19.2"
Status: near western quadrature

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

赤経: 01h52m56s
赤緯: +08°47'35"

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: 13h44m10s
赤緯: -10°10'02"

Neptune

Fair
見かけの等級: 7.7
星座: Gemini
Angular diameter: 2.4"
Status: near western quadrature

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

赤経: 04h44m30s
赤緯: +20°42'37"

Moon

Excellent
見かけの等級: -12.7
星座: Leo
Angular diameter: 11489.4"
Status: Moon illumination 86.6%

Observation tip: Moon illumination 86.6%; good for observing lunar surface detail

赤経: 08h38m46s
赤緯: +22°07'29"