February 1921 天文現象

観測地点:Beijing (39.904°, 116.407°)

月間天文現象概要

18 合計天文イベント、含む 3 月相と 4 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 1921 mid-month observing conditions

Mercury

Excellent
見かけの等級: -0.6
星座: Pisces
Angular diameter: 7.0"
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: 22h59m13s
赤緯: -05°30'26"

Venus

Excellent
見かけの等級: -4.6
星座: Aries
Angular diameter: 25.3"
Status: near superior 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: 00h43m02s
赤緯: +06°30'47"

Mars

Excellent
見かけの等級: 1.3
星座: Aries
Angular diameter: 4.4"
Status: near western quadrature

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

赤経: 00h05m46s
赤緯: +00°04'30"

Jupiter

Excellent
見かけの等級: -2.5
星座: Virgo
Angular diameter: 44.0"
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: 11h11m35s
赤緯: +06°43'33"

Saturn

Excellent
見かけの等級: 0.7
星座: Virgo
Angular diameter: 19.5"
Status: near eastern quadrature

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

赤経: 11h39m11s
赤緯: +04°46'36"

Uranus

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

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

赤経: 22h28m42s
赤緯: -10°20'01"

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: 08h57m56s
赤緯: +17°14'40"

Moon

Excellent
見かけの等級: -12.7
星座: Taurus
Angular diameter: 12219.6"
Status: Moon illumination 41.6%

Observation tip: Moon illumination 41.6%; good for observing lunar surface detail

赤経: 02h55m52s
赤緯: +15°13'26"