April 1929 天文現象

観測地点:Beijing (39.904°, 116.407°)

月間天文現象概要

23 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 1929 mid-month observing conditions

Mercury

Excellent
見かけの等級: -1.9
星座: Aries
Angular diameter: 5.0"
Status: near inferior conjunction

Observation tip: Very bright, easily visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

赤経: 01h21m18s
赤緯: +07°28'25"

Venus

Excellent
見かけの等級: -4.0
星座: Aries
Angular diameter: 57.7"
Status: near superior 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: 01h53m33s
赤緯: +19°04'09"

Mars

Excellent
見かけの等級: 1.0
星座: Cancer
Angular diameter: 6.3"
Status: near western quadrature

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

赤経: 07h07m46s
赤緯: +24°36'19"

Jupiter

Excellent
見かけの等級: -2.0
星座: Taurus
Angular diameter: 33.3"
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: 02h56m19s
赤緯: +15°55'08"

Saturn

Excellent
見かけの等級: 0.3
星座: Capricornus
Angular diameter: 17.3"
Status: near eastern quadrature

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

赤経: 18h02m08s
赤緯: -22°13'59"

Uranus

Fair
見かけの等級: 6.0
星座: Aries
Angular diameter: 3.4"
Status: near eastern quadrature

Observation tip: A telescope is required; Binoculars or a telescope are recommended

赤経: 00h31m41s
赤緯: +02°41'14"

Neptune

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

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

赤経: 10h04m27s
赤緯: +12°28'26"

Moon

Excellent
見かけの等級: -12.7
星座: Cancer
Angular diameter: 12640.0"
Status: Moon illumination 32.2%

Observation tip: Moon illumination 32.2%; good for observing lunar surface detail

赤経: 06h15m51s
赤緯: +26°54'48"