May 1904 天象

觀測地點:Beijing (39.904°, 116.407°)

每月天象事件總覽

21 天象事件總數,包括 4 月相與 2 行星事件。

每日天象事件

所有時間均為當地時間 (Asia/Shanghai)

Group 日期 日出/日落 月出/月落 月相 天象

Planetary outlook

May 1904 mid-month observing conditions

Mercury

Fair
視星等: 6.6
星座: Taurus
Angular diameter: 12.2"
Status: near greatest eastern elongation

Observation tip: A telescope is required; Mercury stays close to the Sun; best seen at dusk or dawn

赤經: 03h16m43s
赤緯: +17°10'56"

Venus

Excellent
視星等: -3.9
星座: Taurus
Angular diameter: 10.1"
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

赤經: 02h28m15s
赤緯: +13°19'45"

Mars

Excellent
視星等: 1.3
星座: Taurus
Angular diameter: 3.7"
Status: near western quadrature

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

赤經: 03h41m47s
赤緯: +19°53'20"

Jupiter

Excellent
視星等: -2.1
星座: Aries
Angular diameter: 34.4"
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

赤經: 01h06m53s
赤緯: +05°53'30"

Saturn

Excellent
視星等: 0.7
星座: Aquarius
Angular diameter: 16.9"
Status: near eastern quadrature

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

赤經: 21h33m55s
赤緯: -15°28'18"

Uranus

Fair
視星等: 5.6
星座: Sagittarius
Angular diameter: 3.8"
Status: near eastern quadrature

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

赤經: 17h56m55s
赤緯: -23°38'32"

Neptune

Fair
視星等: 7.9
星座: Cancer
Angular diameter: 2.2"
Status: near western quadrature

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

赤經: 06h17m51s
赤緯: +22°22'52"

Moon

Excellent
視星等: -12.7
星座: Taurus
Angular diameter: 12040.1"
Status: Moon illumination 0.4%

Observation tip: Moon illumination 0.4%; good for observing lunar surface detail

赤經: 03h07m21s
赤緯: +13°22'41"