December 2100 天文現象

観測地点:Beijing (39.904°, 116.407°)

月間天文現象概要

21 合計天文イベント、含む 5 月相と 0 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 2100 mid-month observing conditions

Mercury

Excellent
見かけの等級: -0.8
星座: Capricornus
Angular diameter: 4.8"
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: 18h10m04s
赤緯: -25°25'34"

Venus

Excellent
見かけの等級: -3.9
星座: Sagittarius
Angular diameter: 10.5"
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: 16h10m48s
赤緯: -20°04'15"

Mars

Excellent
見かけの等級: 1.6
星座: Scorpius
Angular diameter: 3.8"
Status: near eastern quadrature

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

赤経: 15h59m42s
赤緯: -20°31'31"

Jupiter

Excellent
見かけの等級: -1.7
星座: Scorpius
Angular diameter: 32.0"
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: 14h47m08s
赤緯: -15°01'33"

Saturn

Excellent
見かけの等級: 0.7
星座: Scorpius
Angular diameter: 16.0"
Status: near eastern quadrature

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

赤経: 14h15m59s
赤緯: -11°10'09"

Uranus

Fair
見かけの等級: 5.8
星座: Aries
Angular diameter: 3.6"
Status: near western quadrature

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

赤経: 01h21m40s
赤緯: +07°56'28"

Neptune

Fair
見かけの等級: 7.8
星座: Virgo
Angular diameter: 2.3"
Status: near eastern quadrature

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

赤経: 11h23m03s
赤緯: +05°04'22"

Moon

Excellent
見かけの等級: -12.7
星座: Gemini
Angular diameter: 11486.8"
Status: Moon illumination 97.2%

Observation tip: Moon illumination 97.2%; good for observing lunar surface detail

赤経: 04h04m48s
赤緯: +25°54'06"