April 2007 天文現象

観測地点:Beijing (39.904°, 116.407°)

月間天文現象概要

23 合計天文イベント、含む 4 月相と 0 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 2007 mid-month observing conditions

Mercury

Excellent
見かけの等級: -0.5
星座: Aries
Angular diameter: 5.5"
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: 00h28m32s
赤緯: +00°31'17"

Venus

Excellent
見かけの等級: -4.0
星座: Gemini
Angular diameter: 14.8"
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: 04h04m10s
赤緯: +22°24'03"

Mars

Excellent
見かけの等級: 1.1
星座: Pisces
Angular diameter: 5.0"
Status: near eastern quadrature

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

赤経: 22h35m30s
赤緯: -10°19'54"

Jupiter

Excellent
見かけの等級: -2.4
星座: Sagittarius
Angular diameter: 42.0"
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: 17h15m13s
赤緯: -22°18'15"

Saturn

Excellent
見かけの等級: 0.3
星座: Leo
Angular diameter: 19.0"
Status: near western quadrature

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

赤経: 09h24m09s
赤緯: +16°38'02"

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: 23h12m50s
赤緯: -05°52'11"

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: 21h36m13s
赤緯: -14°32'10"

Moon

Excellent
見かけの等級: -12.7
星座: Pisces
Angular diameter: 12857.5"
Status: Moon illumination 9.1%

Observation tip: Moon illumination 9.1%; good for observing lunar surface detail

赤経: 23h21m08s
赤緯: -03°47'39"