February 1917 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 1917 mid-month observing conditions

Mercury

Excellent
見かけの等級: 0.0
星座: Aquarius
Angular diameter: 6.6"
Status: near inferior conjunction

Observation tip: Visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

赤経: 20h08m04s
赤緯: -20°10'50"

Venus

Excellent
見かけの等級: -3.9
星座: Aquarius
Angular diameter: 10.4"
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: 20h42m56s
赤緯: -18°56'30"

Mars

Excellent
見かけの等級: 1.0
星座: Pisces
Angular diameter: 4.0"
Status: near western quadrature

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

赤経: 22h05m08s
赤緯: -12°54'01"

Jupiter

Excellent
見かけの等級: -2.2
星座: Aries
Angular diameter: 37.0"
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: 01h54m33s
赤緯: +10°37'34"

Saturn

Excellent
見かけの等級: -0.2
星座: Cancer
Angular diameter: 20.3"
Status: near western quadrature

Observation tip: Very bright, easily visible to the naked eye; Saturn’s rings require a telescope to see clearly

赤経: 07h47m56s
赤緯: +21°23'19"

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: 21h30m42s
赤緯: -15°26'46"

Neptune

Fair
見かけの等級: 7.8
星座: Leo
Angular diameter: 2.3"
Status: near western quadrature

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

赤経: 08h20m32s
赤緯: +19°17'39"

Moon

Excellent
見かけの等級: -12.7
星座: Scorpius
Angular diameter: 12180.1"
Status: Moon illumination 51.0%

Observation tip: Moon illumination 51.0%; good for observing lunar surface detail

赤経: 15h25m15s
赤緯: -23°04'46"