December 2040 天文現象

観測地点:Beijing (39.904°, 116.407°)

月間天文現象概要

26 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 2040 mid-month observing conditions

Mercury

Excellent
見かけの等級: -1.3
星座: Sagittarius
Angular diameter: 4.6"
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: 17h33m16s
赤緯: -24°36'52"

Venus

Excellent
見かけの等級: -4.3
星座: Aquarius
Angular diameter: 19.9"
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: 20h50m32s
赤緯: -20°00'44"

Mars

Excellent
見かけの等級: 1.2
星座: Sagittarius
Angular diameter: 3.8"
Status: near western quadrature

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

赤経: 17h35m04s
赤緯: -23°56'46"

Jupiter

Excellent
見かけの等級: -1.8
星座: Libra
Angular diameter: 33.3"
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: 13h39m27s
赤緯: -09°03'11"

Saturn

Excellent
見かけの等級: 0.8
星座: Libra
Angular diameter: 16.5"
Status: near eastern quadrature

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

赤経: 13h26m31s
赤緯: -06°32'16"

Uranus

Fair
見かけの等級: 5.5
星座: Leo
Angular diameter: 4.0"
Status: near eastern quadrature

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

赤経: 08h40m46s
赤緯: +18°58'13"

Neptune

Fair
見かけの等級: 7.7
星座: Taurus
Angular diameter: 2.3"
Status: near western quadrature

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

赤経: 02h06m43s
赤緯: +10°55'25"

Moon

Excellent
見かけの等級: -12.7
星座: Taurus
Angular diameter: 11975.1"
Status: Moon illumination 88.1%

Observation tip: Moon illumination 88.1%; good for observing lunar surface detail

赤経: 02h44m20s
赤緯: +14°49'39"