April 1900 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

April 1900 mid-month observing conditions

Mercury

Excellent
見かけの等級: 0.7
星座: Pisces
Angular diameter: 9.0"
Status: near greatest eastern elongation

Observation tip: Visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

赤経: 23h57m47s
赤緯: -02°01'00"

Venus

Excellent
見かけの等級: -4.3
星座: Gemini
Angular diameter: 20.2"
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: 04h29m22s
赤緯: +24°42'15"

Mars

Excellent
見かけの等級: 1.2
星座: Aries
Angular diameter: 4.1"
Status: near eastern quadrature

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

赤経: 00h20m57s
赤緯: +01°14'34"

Jupiter

Excellent
見かけの等級: -2.4
星座: Sagittarius
Angular diameter: 42.8"
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: 16h35m32s
赤緯: -21°06'39"

Saturn

Excellent
見かけの等級: 0.4
星座: Capricornus
Angular diameter: 17.2"
Status: near eastern quadrature

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

赤経: 18h21m47s
赤緯: -22°20'16"

Uranus

Fair
見かけの等級: 5.5
星座: Sagittarius
Angular diameter: 3.8"
Status: near eastern quadrature

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

赤経: 16h42m38s
赤緯: -22°12'33"

Neptune

Fair
見かけの等級: 7.9
星座: Gemini
Angular diameter: 2.2"
Status: near western quadrature

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

赤経: 05h36m56s
赤緯: +22°07'13"

Moon

Excellent
見かけの等級: -12.7
星座: Libra
Angular diameter: 11602.9"
Status: Moon illumination 99.9%

Observation tip: Moon illumination 99.9%; good for observing lunar surface detail

赤経: 13h23m29s
赤緯: -12°52'18"