April 1959 天文現象

観測地点:Beijing (39.904°, 116.407°)

月間天文現象概要

20 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

April 1959 mid-month observing conditions

Mercury

Excellent
見かけの等級: 1.0
星座: Aries
Angular diameter: 9.8"
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: 00h05m19s
赤緯: -00°31'48"

Venus

Excellent
見かけの等級: -4.0
星座: Taurus
Angular diameter: 13.6"
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: 03h50m44s
赤緯: +21°24'00"

Mars

Excellent
見かけの等級: 1.3
星座: Cancer
Angular diameter: 5.4"
Status: near western quadrature

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

赤経: 06h11m24s
赤緯: +25°08'23"

Jupiter

Excellent
見かけの等級: -2.4
星座: Scorpius
Angular diameter: 43.3"
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: 15h55m53s
赤緯: -19°15'17"

Saturn

Excellent
見かけの等級: 0.4
星座: Capricornus
Angular diameter: 17.1"
Status: near eastern quadrature

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

赤経: 18h30m32s
赤緯: -22°18'07"

Uranus

Fair
見かけの等級: 5.5
星座: Leo
Angular diameter: 3.9"
Status: near western quadrature

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

赤経: 08h59m36s
赤緯: +17°47'37"

Neptune

Fair
見かけの等級: 7.9
星座: Scorpius
Angular diameter: 2.3"
Status: near eastern quadrature

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

赤経: 14h16m51s
赤緯: -11°46'18"

Moon

Excellent
見かけの等級: -12.7
星座: Cancer
Angular diameter: 11683.1"
Status: Moon illumination 37.2%

Observation tip: Moon illumination 37.2%; good for observing lunar surface detail

赤経: 06h38m39s
赤緯: +17°51'37"