April 2008 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 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 2008 mid-month observing conditions

Mercury

Excellent
見かけの等級: -2.1
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: 01h29m56s
赤緯: +08°30'07"

Venus

Excellent
見かけの等級: -3.9
星座: Aries
Angular diameter: 10.1"
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: 00h42m07s
赤緯: +02°54'38"

Mars

Excellent
見かけの等級: 1.0
星座: Cancer
Angular diameter: 6.4"
Status: near western quadrature

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

赤経: 07h16m00s
赤緯: +24°23'15"

Jupiter

Excellent
見かけの等級: -2.2
星座: Capricornus
Angular diameter: 39.1"
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: 19h32m40s
赤緯: -21°43'38"

Saturn

Excellent
見かけの等級: 0.5
星座: Virgo
Angular diameter: 19.2"
Status: near western quadrature

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

赤経: 10h18m31s
赤緯: +12°28'54"

Uranus

Fair
見かけの等級: 6.0
星座: Pisces
Angular diameter: 3.4"
Status: near eastern quadrature

Observation tip: A telescope is required; Binoculars or a telescope are recommended

赤経: 23h26m53s
赤緯: -04°22'34"

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: 21h44m51s
赤緯: -13°53'02"

Moon

Excellent
見かけの等級: -12.7
星座: Leo
Angular diameter: 12068.6"
Status: Moon illumination 73.2%

Observation tip: Moon illumination 73.2%; good for observing lunar surface detail

赤経: 09h41m29s
赤緯: +14°08'12"