March 1999 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 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

March 1999 mid-month observing conditions

Mercury

Good
見かけの等級: 3.3
星座: Aries
Angular diameter: 10.2"
Status: near superior conjunction

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

赤経: 00h03m44s
赤緯: +04°18'05"

Venus

Excellent
見かけの等級: -3.9
星座: Aries
Angular diameter: 12.5"
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: 01h36m05s
赤緯: +09°52'18"

Mars

Excellent
見かけの等級: -0.5
星座: Scorpius
Angular diameter: 11.9"
Status: near eastern quadrature

Observation tip: Very bright, easily visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

赤経: 14h41m28s
赤緯: -13°24'32"

Jupiter

Excellent
見かけの等級: -2.1
星座: Aries
Angular diameter: 33.3"
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: 00h27m06s
赤緯: +01°44'24"

Saturn

Excellent
見かけの等級: 0.5
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: 02h00m21s
赤緯: +09°52'02"

Uranus

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

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

赤経: 21h10m40s
赤緯: -16°56'33"

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: 20h23m26s
赤緯: -19°03'38"

Moon

Excellent
見かけの等級: -12.7
星座: Aquarius
Angular diameter: 12250.0"
Status: Moon illumination 9.7%

Observation tip: Moon illumination 9.7%; good for observing lunar surface detail

赤経: 21h20m29s
赤緯: -15°08'35"