February 2017 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 4 月相と 0 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 2017 mid-month observing conditions

Mercury

Excellent
見かけの等級: -0.5
星座: Aquarius
Angular diameter: 5.0"
Status: near inferior conjunction

Observation tip: Very bright, easily visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

赤経: 20h58m38s
赤緯: -19°02'40"

Venus

Excellent
見かけの等級: -4.9
星座: Aries
Angular diameter: 37.7"
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: 00h22m17s
赤緯: +06°42'59"

Mars

Excellent
見かけの等級: 1.2
星座: Aries
Angular diameter: 4.8"
Status: near western quadrature

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

赤経: 00h48m48s
赤緯: +05°03'10"

Jupiter

Excellent
見かけの等級: -2.2
星座: Libra
Angular diameter: 40.7"
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: 13h27m22s
赤緯: -07°35'16"

Saturn

Excellent
見かけの等級: 0.5
星座: Sagittarius
Angular diameter: 15.8"
Status: near eastern quadrature

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

赤経: 17h41m48s
赤緯: -22°04'28"

Uranus

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

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

赤経: 01h20m22s
赤緯: +07°50'49"

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: 22h51m41s
赤緯: -08°10'17"

Moon

Excellent
見かけの等級: -12.7
星座: Libra
Angular diameter: 11770.5"
Status: Moon illumination 83.6%

Observation tip: Moon illumination 83.6%; good for observing lunar surface detail

赤経: 12h58m04s
赤緯: -02°26'34"