May 2013 天象

观测地点:Beijing (39.904°, 116.407°)

月度天象概览

19 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 2013 mid-month observing conditions

Mercury

Excellent
视星等: -2.0
星座: Taurus
Angular diameter: 5.1"
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

赤经: 03h42m53s
赤纬: +20°20'53"

Venus

Excellent
视星等: -3.9
星座: Gemini
Angular diameter: 10.0"
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

赤经: 04h18m53s
赤纬: +21°35'18"

Mars

Excellent
视星等: 1.3
星座: Taurus
Angular diameter: 3.8"
Status: near eastern quadrature

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

赤经: 03h02m48s
赤纬: +17°07'14"

Jupiter

Excellent
视星等: -2.0
星座: Gemini
Angular diameter: 32.9"
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: 05h18m36s
赤纬: +22°48'13"

Saturn

Excellent
视星等: 0.3
星座: Scorpius
Angular diameter: 18.8"
Status: near western quadrature

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

赤经: 14h22m06s
赤纬: -11°19'16"

Uranus

Fair
视星等: 6.0
星座: Aries
Angular diameter: 3.4"
Status: near eastern quadrature

Observation tip: A telescope is required; Binoculars or a telescope are recommended

赤经: 00h41m25s
赤纬: +03°43'19"

Neptune

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

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

赤经: 22h29m09s
赤纬: -10°11'25"

Moon

Excellent
视星等: -12.7
星座: Cancer
Angular diameter: 11492.2"
Status: Moon illumination 21.1%

Observation tip: Moon illumination 21.1%; good for observing lunar surface detail

赤经: 07h18m34s
赤纬: +17°29'56"