December 1903 天文現象

観測地点:Beijing (39.904°, 116.407°)

月間天文現象概要

19 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 1903 mid-month observing conditions

Mercury

Excellent
見かけの等級: -0.8
星座: Capricornus
Angular diameter: 5.1"
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: 18h20m34s
赤緯: -25°34'32"

Venus

Excellent
見かけの等級: -4.4
星座: Scorpius
Angular diameter: 20.7"
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: 14h17m50s
赤緯: -11°01'15"

Mars

Excellent
見かけの等級: 1.1
星座: Aquarius
Angular diameter: 4.7"
Status: near western quadrature

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

赤経: 20h18m19s
赤緯: -20°57'22"

Jupiter

Excellent
見かけの等級: -2.4
星座: Pisces
Angular diameter: 39.7"
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: 23h08m30s
赤緯: -06°54'12"

Saturn

Excellent
見かけの等級: 0.7
星座: Aquarius
Angular diameter: 15.6"
Status: near western quadrature

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

赤経: 20h35m14s
赤緯: -19°23'37"

Uranus

Fair
見かけの等級: 5.8
星座: Sagittarius
Angular diameter: 3.5"
Status: near western quadrature

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

赤経: 17h40m41s
赤緯: -23°31'49"

Neptune

Fair
見かけの等級: 7.8
星座: Cancer
Angular diameter: 2.4"
Status: near eastern quadrature

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

赤経: 06h21m10s
赤緯: +22°16'18"

Moon

Excellent
見かけの等級: -12.7
星座: Scorpius
Angular diameter: 12093.1"
Status: Moon illumination 15.2%

Observation tip: Moon illumination 15.2%; good for observing lunar surface detail

赤経: 14h18m42s
赤緯: -10°59'57"