April 1971 天文現象

観測地点:Beijing (39.904°, 116.407°)

月間天文現象概要

20 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 1971 mid-month observing conditions

Mercury

Good
見かけの等級: 3.9
星座: Aries
Angular diameter: 11.0"
Status: near superior conjunction

Observation tip: Binoculars are recommended; Mercury stays close to the Sun; best seen at dusk or dawn

赤経: 01h56m51s
赤緯: +14°50'46"

Venus

Excellent
見かけの等級: -4.0
星座: Pisces
Angular diameter: 13.1"
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: 23h23m48s
赤緯: -05°17'43"

Mars

Excellent
見かけの等級: 0.1
星座: Capricornus
Angular diameter: 9.0"
Status: near eastern quadrature

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

赤経: 19h26m01s
赤緯: -22°50'24"

Jupiter

Excellent
見かけの等級: -2.4
星座: Sagittarius
Angular diameter: 43.0"
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: 16h15m50s
赤緯: -20°15'21"

Saturn

Excellent
見かけの等級: 0.2
星座: Taurus
Angular diameter: 16.6"
Status: near western quadrature

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

赤経: 03h19m44s
赤緯: +16°21'14"

Uranus

Fair
見かけの等級: 5.4
星座: Libra
Angular diameter: 4.1"
Status: near western quadrature

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

赤経: 12h41m29s
赤緯: -03°40'45"

Neptune

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

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

赤経: 16h03m45s
赤緯: -19°01'03"

Moon

Excellent
見かけの等級: -12.7
星座: Sagittarius
Angular diameter: 11856.1"
Status: Moon illumination 84.0%

Observation tip: Moon illumination 84.0%; good for observing lunar surface detail

赤経: 16h36m57s
赤緯: -26°52'28"