April 1948 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 1948 mid-month observing conditions

Mercury

Excellent
見かけの等級: -0.8
星座: Aries
Angular diameter: 5.3"
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: 00h41m15s
赤緯: +02°08'16"

Venus

Excellent
見かけの等級: -4.4
星座: Gemini
Angular diameter: 23.4"
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: 04h33m50s
赤緯: +25°24'37"

Mars

Excellent
見かけの等級: 0.0
星座: Leo
Angular diameter: 9.7"
Status: near western quadrature

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

赤経: 09h31m42s
赤緯: +17°26'09"

Jupiter

Excellent
見かけの等級: -2.3
星座: Sagittarius
Angular diameter: 41.2"
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: 17h55m24s
赤緯: -22°55'44"

Saturn

Excellent
見かけの等級: 0.3
星座: Leo
Angular diameter: 18.9"
Status: near western quadrature

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

赤経: 09h14m25s
赤緯: +17°18'02"

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: 05h29m27s
赤緯: +23°24'58"

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: 12h43m54s
赤緯: -02°59'13"

Moon

Excellent
見かけの等級: -12.7
星座: Cancer
Angular diameter: 12384.1"
Status: Moon illumination 30.1%

Observation tip: Moon illumination 30.1%; good for observing lunar surface detail

赤経: 06h05m57s
赤緯: +27°18'03"