October 2025 天文現象

観測地点:Beijing (39.904°, 116.407°)

月間天文現象概要

22 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

October 2025 mid-month observing conditions

Mercury

Excellent
見かけの等級: -0.2
星座: Scorpius
Angular diameter: 5.4"
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: 14h36m15s
赤緯: -17°05'58"

Venus

Excellent
見かけの等級: -3.9
星座: Libra
Angular diameter: 10.7"
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: 12h07m28s
赤緯: +00°50'16"

Mars

Excellent
見かけの等級: 1.5
星座: Scorpius
Angular diameter: 3.9"
Status: near western quadrature

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

赤経: 14h51m51s
赤緯: -16°41'41"

Jupiter

Excellent
見かけの等級: -2.2
星座: Cancer
Angular diameter: 38.5"
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: 07h43m16s
赤緯: +21°22'04"

Saturn

Excellent
見かけの等級: 0.7
星座: Pisces
Angular diameter: 19.3"
Status: near western quadrature

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

赤経: 23h52m04s
赤緯: -03°34'57"

Uranus

Fair
見かけの等級: 5.6
星座: Taurus
Angular diameter: 3.8"
Status: near eastern quadrature

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

赤経: 03h55m02s
赤緯: +20°07'25"

Neptune

Fair
見かけの等級: 7.7
星座: Aries
Angular diameter: 2.4"
Status: near western quadrature

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

赤経: 00h02m50s
赤緯: -01°11'17"

Moon

Excellent
見かけの等級: -12.7
星座: Leo
Angular diameter: 12151.2"
Status: Moon illumination 36.8%

Observation tip: Moon illumination 36.8%; good for observing lunar surface detail

赤経: 08h42m36s
赤緯: +21°43'20"