March 1991 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

March 1991 mid-month observing conditions

Mercury

Excellent
見かけの等級: -1.3
星座: Aries
Angular diameter: 5.6"
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: 00h21m36s
赤緯: +02°17'13"

Venus

Excellent
見かけの等級: -3.9
星座: Aries
Angular diameter: 12.4"
Status: near greatest western elongation

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: 01h33m53s
赤緯: +09°36'46"

Mars

Excellent
見かけの等級: 0.8
星座: Gemini
Angular diameter: 6.9"
Status: near western quadrature

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

赤経: 05h16m59s
赤緯: +25°08'43"

Jupiter

Excellent
見かけの等級: -2.4
星座: Leo
Angular diameter: 42.8"
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: 08h25m48s
赤緯: +20°02'27"

Saturn

Excellent
見かけの等級: 0.7
星座: Aquarius
Angular diameter: 15.7"
Status: near eastern quadrature

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

赤経: 20h24m39s
赤緯: -19°32'16"

Uranus

Fair
見かけの等級: 5.8
星座: Capricornus
Angular diameter: 3.6"
Status: near eastern quadrature

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

赤経: 18h58m00s
赤緯: -23°06'49"

Neptune

Fair
見かけの等級: 7.9
星座: Capricornus
Angular diameter: 2.2"
Status: near eastern quadrature

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

赤経: 19h10m51s
赤緯: -21°38'32"

Moon

Excellent
見かけの等級: -12.7
星座: Pisces
Angular diameter: 12029.6"
Status: Moon illumination 2.1%

Observation tip: Moon illumination 2.1%; good for observing lunar surface detail

赤経: 22h31m37s
赤緯: -05°40'28"