July 2031 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

July 2031 mid-month observing conditions

Mercury

Excellent
見かけの等級: 0.5
星座: Leo
Angular diameter: 7.9"
Status: near greatest western elongation

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

赤経: 09h24m44s
赤緯: +14°40'33"

Venus

Excellent
見かけの等級: -4.7
星座: Leo
Angular diameter: 43.3"
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: 09h49m30s
赤緯: +10°59'56"

Mars

Excellent
見かけの等級: -0.5
星座: Scorpius
Angular diameter: 11.7"
Status: near western quadrature

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

赤経: 14h29m17s
赤緯: -16°35'57"

Jupiter

Excellent
見かけの等級: -2.6
星座: Sagittarius
Angular diameter: 45.0"
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: 17h19m36s
赤緯: -22°43'14"

Saturn

Excellent
見かけの等級: 0.1
星座: Gemini
Angular diameter: 16.9"
Status: near eastern quadrature

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

赤経: 05h06m45s
赤緯: +21°23'48"

Uranus

Fair
見かけの等級: 5.7
星座: Gemini
Angular diameter: 3.5"
Status: near eastern quadrature

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

赤経: 05h37m16s
赤緯: +23°26'56"

Neptune

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

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

赤経: 00h59m58s
赤緯: +04°42'24"

Moon

Excellent
見かけの等級: -12.7
星座: Gemini
Angular diameter: 11588.1"
Status: Moon illumination 17.8%

Observation tip: Moon illumination 17.8%; good for observing lunar surface detail

赤経: 04h02m15s
赤緯: +20°09'35"