January 2091 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 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

January 2091 mid-month observing conditions

Mercury

Excellent
見かけの等級: -0.5
星座: Capricornus
Angular diameter: 4.9"
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: 18h51m28s
赤緯: -23°51'00"

Venus

Excellent
見かけの等級: -4.3
星座: Sagittarius
Angular diameter: 18.4"
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: 16h37m31s
赤緯: -19°23'12"

Mars

Excellent
見かけの等級: -0.1
星座: Virgo
Angular diameter: 10.0"
Status: near eastern quadrature

Observation tip: Very bright, easily visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

赤経: 11h47m31s
赤緯: +04°55'07"

Jupiter

Excellent
見かけの等級: -1.8
星座: Capricornus
Angular diameter: 32.0"
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: 18h27m52s
赤緯: -23°06'28"

Saturn

Excellent
見かけの等級: -0.3
星座: Gemini
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: 05h14m49s
赤緯: +21°35'37"

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: 22h59m17s
赤緯: -07°16'57"

Neptune

Fair
見かけの等級: 7.7
星座: Leo
Angular diameter: 2.3"
Status: near eastern quadrature

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

赤経: 09h57m21s
赤緯: +12°53'55"

Moon

Excellent
見かけの等級: -12.7
星座: Scorpius
Angular diameter: 12386.0"
Status: Moon illumination 23.7%

Observation tip: Moon illumination 23.7%; good for observing lunar surface detail

赤経: 15h43m49s
赤緯: -14°40'50"