May 2004 天象

观测地点:Beijing (39.904°, 116.407°)

月度天象概览

23 天文事件合计,包括 4 月相和 1 行星事件。

每日天象

所有时间均为本地时间 (Asia/Shanghai)

Group 日期 日出/日落 月出/月落 月相 天象

Planetary outlook

May 2004 mid-month observing conditions

Mercury

Excellent
视星等: 0.5
星座: Aries
Angular diameter: 8.1"
Status: near inferior conjunction

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

赤经: 01h51m24s
赤纬: +07°56'23"

Venus

Excellent
视星等: -4.7
星座: Gemini
Angular diameter: 45.2"
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

赤经: 05h41m53s
赤纬: +27°26'24"

Mars

Excellent
视星等: 1.7
星座: Cancer
Angular diameter: 4.1"
Status: near western quadrature

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

赤经: 06h21m16s
赤纬: +24°35'40"

Jupiter

Excellent
视星等: -2.1
星座: Virgo
Angular diameter: 38.8"
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

赤经: 10h44m36s
赤纬: +09°22'32"

Saturn

Excellent
视星等: 0.1
星座: Cancer
Angular diameter: 17.1"
Status: near western quadrature

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

赤经: 06h44m16s
赤纬: +22°41'32"

Uranus

Fair
视星等: 5.9
星座: Pisces
Angular diameter: 3.5"
Status: near eastern quadrature

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

赤经: 22h34m10s
赤纬: -09°49'22"

Neptune

Fair
视星等: 7.8
星座: Aquarius
Angular diameter: 2.3"
Status: near eastern quadrature

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

赤经: 21h11m28s
赤纬: -16°16'15"

Moon

Excellent
视星等: -12.7
星座: Aries
Angular diameter: 11837.2"
Status: Moon illumination 16.1%

Observation tip: Moon illumination 16.1%; good for observing lunar surface detail

赤经: 00h31m39s
赤纬: +00°12'21"