January 2025 天文現象

観測地点:Beijing (39.904°, 116.407°)

月間天文現象概要

23 合計天文イベント、含む 4 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

January 2025 mid-month observing conditions

Mercury

Excellent
見かけの等級: -0.4
星座: Capricornus
Angular diameter: 5.1"
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: 18h41m54s
赤緯: -23°47'00"

Venus

Excellent
見かけの等級: -4.6
星座: Pisces
Angular diameter: 25.8"
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: 22h54m31s
赤緯: -07°10'34"

Mars

Excellent
見かけの等級: -1.4
星座: Cancer
Angular diameter: 14.6"
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: 07h58m19s
赤緯: +25°00'57"

Jupiter

Excellent
見かけの等級: -2.7
星座: Gemini
Angular diameter: 45.6"
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: 04h42m14s
赤緯: +21°40'39"

Saturn

Excellent
見かけの等級: 1.1
星座: Pisces
Angular diameter: 16.3"
Status: near western quadrature

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

赤経: 23h10m24s
赤緯: -07°25'57"

Uranus

Fair
見かけの等級: 5.7
星座: Taurus
Angular diameter: 3.7"
Status: near western quadrature

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

赤経: 03h24m10s
赤緯: +18°22'28"

Neptune

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

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

赤経: 23h53m00s
赤緯: -02°08'57"

Moon

Excellent
見かけの等級: -12.7
星座: Leo
Angular diameter: 12060.3"
Status: Moon illumination 98.6%

Observation tip: Moon illumination 98.6%; good for observing lunar surface detail

赤経: 08h46m43s
赤緯: +22°02'00"