February 2021 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 1 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 2021 mid-month observing conditions

Mercury

Good
見かけの等級: 2.2
星座: Aquarius
Angular diameter: 10.1"
Status: near greatest eastern elongation

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

赤経: 20h59m03s
赤緯: -13°38'18"

Venus

Excellent
見かけの等級: -3.9
星座: Aquarius
Angular diameter: 9.9"
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: 21h18m21s
赤緯: -16°49'07"

Mars

Excellent
見かけの等級: 0.7
星座: Taurus
Angular diameter: 7.0"
Status: near western quadrature

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

赤経: 03h09m32s
赤緯: +19°07'41"

Jupiter

Excellent
見かけの等級: -2.0
星座: Aquarius
Angular diameter: 32.7"
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: 21h04m00s
赤緯: -17°20'02"

Saturn

Excellent
見かけの等級: 0.7
星座: Aquarius
Angular diameter: 15.2"
Status: near eastern quadrature

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

赤経: 20h37m41s
赤緯: -18°58'12"

Uranus

Fair
見かけの等級: 5.8
星座: Taurus
Angular diameter: 3.5"
Status: near western quadrature

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

赤経: 02h19m48s
赤緯: +13°29'40"

Neptune

Fair
見かけの等級: 7.8
星座: Pisces
Angular diameter: 2.2"
Status: near western quadrature

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

赤経: 23h23m58s
赤緯: -05°02'40"

Moon

Excellent
見かけの等級: -12.7
星座: Aries
Angular diameter: 11691.9"
Status: Moon illumination 10.6%

Observation tip: Moon illumination 10.6%; good for observing lunar surface detail

赤経: 00h22m59s
赤緯: -02°45'44"