December 2011 天文現象

観測地点:Beijing (39.904°, 116.407°)

月間天文現象概要

16 合計天文イベント、含む 4 月相と 2 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 2011 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: 16h09m55s
赤緯: -18°10'05"

Venus

Excellent
見かけの等級: -3.9
星座: Capricornus
Angular diameter: 12.1"
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: 19h40m04s
赤緯: -23°13'36"

Mars

Excellent
見かけの等級: 0.5
星座: Virgo
Angular diameter: 7.8"
Status: near eastern quadrature

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

赤経: 11h08m21s
赤緯: +08°14'51"

Jupiter

Excellent
見かけの等級: -2.7
星座: Aries
Angular diameter: 45.8"
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: 01h55m42s
赤緯: +10°26'14"

Saturn

Excellent
見かけの等級: 0.8
星座: Libra
Angular diameter: 16.3"
Status: near eastern quadrature

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

赤経: 13h43m43s
赤緯: -08°12'31"

Uranus

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

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

赤経: 00h03m33s
赤緯: -00°24'53"

Neptune

Fair
見かけの等級: 7.8
星座: Pisces
Angular diameter: 2.2"
Status: near western quadrature

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

赤経: 22h03m20s
赤緯: -12°30'45"

Moon

Excellent
見かけの等級: -12.7
星座: Leo
Angular diameter: 12149.2"
Status: Moon illumination 81.0%

Observation tip: Moon illumination 81.0%; good for observing lunar surface detail

赤経: 09h01m52s
赤緯: +12°07'46"