April 1988 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 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 1988 mid-month observing conditions

Mercury

Excellent
見かけの等級: -1.5
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: 01h12m30s
赤緯: +06°13'01"

Venus

Excellent
見かけの等級: -4.5
星座: Gemini
Angular diameter: 26.9"
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: 04h33m05s
赤緯: +25°55'34"

Mars

Excellent
見かけの等級: 0.5
星座: Aquarius
Angular diameter: 7.4"
Status: near eastern quadrature

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

赤経: 20h32m26s
赤緯: -20°04'12"

Jupiter

Excellent
見かけの等級: -2.0
星座: Taurus
Angular diameter: 33.2"
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: 02h25m20s
赤緯: +13°25'06"

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: 18h10m58s
赤緯: -22°16'02"

Uranus

Fair
見かけの等級: 5.6
星座: Capricornus
Angular diameter: 3.7"
Status: near eastern quadrature

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

赤経: 18h04m22s
赤緯: -23°38'05"

Neptune

Fair
見かけの等級: 7.8
星座: Capricornus
Angular diameter: 2.3"
Status: near eastern quadrature

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

赤経: 18h44m01s
赤緯: -22°04'23"

Moon

Excellent
見かけの等級: -12.7
星座: Aries
Angular diameter: 12745.3"
Status: Moon illumination 3.1%

Observation tip: Moon illumination 3.1%; good for observing lunar surface detail

赤経: 00h16m36s
赤緯: +02°59'46"