April 2002 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 1 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 2002 mid-month observing conditions

Mercury

Excellent
見かけの等級: -1.6
星座: Taurus
Angular diameter: 5.3"
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: 02h03m40s
赤緯: +12°58'49"

Venus

Excellent
見かけの等級: -3.9
星座: Taurus
Angular diameter: 10.8"
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: 02h57m33s
赤緯: +16°55'10"

Mars

Excellent
見かけの等級: 1.5
星座: Taurus
Angular diameter: 4.2"
Status: near western quadrature

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

赤経: 03h54m15s
赤緯: +21°01'25"

Jupiter

Excellent
見かけの等級: -2.1
星座: Cancer
Angular diameter: 36.5"
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: 06h37m36s
赤緯: +23°20'59"

Saturn

Excellent
見かけの等級: 0.1
星座: Gemini
Angular diameter: 17.1"
Status: near western quadrature

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

赤経: 04h41m43s
赤緯: +20°48'16"

Uranus

Fair
見かけの等級: 5.9
星座: Pisces
Angular diameter: 3.4"
Status: near eastern quadrature

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

赤経: 22h01m15s
赤緯: -12°52'42"

Neptune

Fair
見かけの等級: 7.8
星座: Aquarius
Angular diameter: 2.2"
Status: near eastern quadrature

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

赤経: 20h52m44s
赤緯: -17°27'02"

Moon

Excellent
見かけの等級: -12.7
星座: Taurus
Angular diameter: 11663.2"
Status: Moon illumination 4.5%

Observation tip: Moon illumination 4.5%; good for observing lunar surface detail

赤経: 03h10m06s
赤緯: +15°06'06"