February 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 3 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

February 1999 mid-month observing conditions

Mercury

Excellent
見かけの等級: -1.4
星座: Pisces
Angular diameter: 5.2"
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: 22h26m56s
赤緯: -11°17'40"

Venus

Excellent
見かけの等級: -3.9
星座: Pisces
Angular diameter: 11.3"
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: 23h30m49s
赤緯: -04°31'11"

Mars

Excellent
見かけの等級: 0.2
星座: Scorpius
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: 14h21m28s
赤緯: -11°48'39"

Jupiter

Excellent
見かけの等級: -2.1
星座: Aries
Angular diameter: 34.4"
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: 00h03m21s
赤緯: -00°51'44"

Saturn

Excellent
見かけの等級: 0.5
星座: Aries
Angular diameter: 17.2"
Status: near western quadrature

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

赤経: 01h50m15s
赤緯: +08°50'30"

Uranus

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

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

赤経: 21h04m39s
赤緯: -17°22'14"

Neptune

Fair
見かけの等級: 7.9
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: 20h19m47s
赤緯: -19°15'46"

Moon

Excellent
見かけの等級: -12.7
星座: Aquarius
Angular diameter: 12163.5"
Status: Moon illumination 1.9%

Observation tip: Moon illumination 1.9%; good for observing lunar surface detail

赤経: 20h48m08s
赤緯: -16°40'50"