December 2090 天文現象

観測地点:Beijing (39.904°, 116.407°)

月間天文現象概要

24 合計天文イベント、含む 4 月相と 5 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 2090 mid-month observing conditions

Mercury

Excellent
見かけの等級: -0.0
星座: Sagittarius
Angular diameter: 7.8"
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: 16h09m27s
赤緯: -18°12'04"

Venus

Excellent
見かけの等級: -4.5
星座: Scorpius
Angular diameter: 24.7"
Status: near greatest eastern 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: 14h21m00s
赤緯: -11°08'36"

Mars

Excellent
見かけの等級: 0.6
星座: Virgo
Angular diameter: 7.7"
Status: near eastern quadrature

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

赤経: 11h16m03s
赤緯: +07°24'18"

Jupiter

Excellent
見かけの等級: -1.8
星座: Sagittarius
Angular diameter: 31.6"
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: 17h57m08s
赤緯: -23°12'53"

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: 05h24m41s
赤緯: +21°40'34"

Uranus

Fair
見かけの等級: 5.9
星座: Pisces
Angular diameter: 3.5"
Status: near western quadrature

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

赤経: 22h55m36s
赤緯: -07°40'46"

Neptune

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

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

赤経: 09h59m17s
赤緯: +12°42'53"

Moon

Excellent
見かけの等級: -12.7
星座: Libra
Angular diameter: 12579.7"
Status: Moon illumination 40.9%

Observation tip: Moon illumination 40.9%; good for observing lunar surface detail

赤経: 12h17m41s
赤緯: -00°10'17"