August 1939 天文現象

観測地点:Beijing (39.904°, 116.407°)

月間天文現象概要

21 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

August 1939 mid-month observing conditions

Mercury

Good
見かけの等級: 3.9
星座: Leo
Angular diameter: 10.5"
Status: near greatest eastern elongation

Observation tip: Binoculars are recommended; Mercury stays close to the Sun; best seen at dusk or dawn

赤経: 09h01m01s
赤緯: +12°43'22"

Venus

Excellent
見かけの等級: -3.9
星座: Leo
Angular diameter: 9.7"
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: 09h12m22s
赤緯: +17°18'13"

Mars

Excellent
見かけの等級: -2.4
星座: Capricornus
Angular diameter: 22.8"
Status: near western quadrature

Observation tip: Very bright, easily visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

赤経: 19h50m32s
赤緯: -27°22'53"

Jupiter

Excellent
見かけの等級: -2.8
星座: Aries
Angular diameter: 46.8"
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: 00h33m07s
赤緯: +01°55'32"

Saturn

Excellent
見かけの等級: 0.4
星座: Taurus
Angular diameter: 18.6"
Status: near eastern quadrature

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

赤経: 02h00m09s
赤緯: +09°29'01"

Uranus

Fair
見かけの等級: 5.8
星座: Taurus
Angular diameter: 3.6"
Status: near eastern quadrature

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

赤経: 03h18m14s
赤緯: +17°55'46"

Neptune

Fair
見かけの等級: 8.0
星座: Virgo
Angular diameter: 2.2"
Status: near western quadrature

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

赤経: 11h32m02s
赤緯: +04°16'19"

Moon

Excellent
見かけの等級: -12.7
星座: Leo
Angular diameter: 13022.5"
Status: Moon illumination 0.2%

Observation tip: Moon illumination 0.2%; good for observing lunar surface detail

赤経: 09h19m26s
赤緯: +10°33'39"