April 1949 天文現象

観測地点:Beijing (39.904°, 116.407°)

月間天文現象概要

25 合計天文イベント、含む 4 月相と 3 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 1949 mid-month observing conditions

Mercury

Excellent
見かけの等級: -2.1
星座: Aries
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: 01h39m15s
赤緯: +09°49'50"

Venus

Excellent
見かけの等級: -3.9
星座: Aries
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: 01h31m16s
赤緯: +08°19'48"

Mars

Excellent
見かけの等級: 1.1
星座: Aries
Angular diameter: 3.9"
Status: near eastern quadrature

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

赤経: 01h09m27s
赤緯: +06°42'14"

Jupiter

Excellent
見かけの等級: -2.2
星座: Aquarius
Angular diameter: 38.2"
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: 20h09m54s
赤緯: -20°18'37"

Saturn

Excellent
見かけの等級: 0.5
星座: Virgo
Angular diameter: 19.2"
Status: near western quadrature

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

赤経: 10h09m10s
赤緯: +13°17'07"

Uranus

Fair
見かけの等級: 5.7
星座: Gemini
Angular diameter: 3.6"
Status: near western quadrature

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

赤経: 05h47m54s
赤緯: +23°37'45"

Neptune

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

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

赤経: 12h52m15s
赤緯: -03°49'54"

Moon

Excellent
見かけの等級: -12.7
星座: Scorpius
Angular diameter: 12767.7"
Status: Moon illumination 95.2%

Observation tip: Moon illumination 95.2%; good for observing lunar surface detail

赤経: 15h08m09s
赤緯: -19°53'39"