October 1939 天文現象

観測地点:Beijing (39.904°, 116.407°)

月間天文現象概要

22 合計天文イベント、含む 4 月相と 1 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

October 1939 mid-month observing conditions

Mercury

Excellent
見かけの等級: -0.4
星座: Scorpius
Angular diameter: 5.0"
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: 14h12m42s
赤緯: -14°18'52"

Venus

Excellent
見かけの等級: -3.9
星座: Libra
Angular diameter: 9.9"
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: 13h56m56s
赤緯: -11°09'49"

Mars

Excellent
見かけの等級: -0.9
星座: Aquarius
Angular diameter: 13.4"
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: 20h50m22s
赤緯: -20°54'10"

Jupiter

Excellent
見かけの等級: -2.9
星座: Aries
Angular diameter: 49.3"
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: 00h08m15s
赤緯: -00°51'55"

Saturn

Excellent
見かけの等級: 0.1
星座: Aries
Angular diameter: 20.0"
Status: near eastern quadrature

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

赤経: 01h49m25s
赤緯: +08°18'11"

Uranus

Fair
見かけの等級: 5.7
星座: Taurus
Angular diameter: 3.8"
Status: near eastern quadrature

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

赤経: 03h15m01s
赤緯: +17°43'01"

Neptune

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

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

赤経: 11h40m06s
赤緯: +03°24'47"

Moon

Excellent
見かけの等級: -12.7
星座: Scorpius
Angular diameter: 12463.0"
Status: Moon illumination 6.1%

Observation tip: Moon illumination 6.1%; good for observing lunar surface detail

赤経: 15h09m34s
赤緯: -15°48'52"