May 2013 天象

觀測地點:Beijing (39.904°, 116.407°)

每月天象事件總覽

19 天象事件總數,包括 4 月相與 1 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 2013 mid-month observing conditions

Mercury

Excellent
視星等: -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

赤經: 03h42m53s
赤緯: +20°20'53"

Venus

Excellent
視星等: -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

赤經: 04h18m53s
赤緯: +21°35'18"

Mars

Excellent
視星等: 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

赤經: 03h02m48s
赤緯: +17°07'14"

Jupiter

Excellent
視星等: -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

赤經: 05h18m36s
赤緯: +22°48'13"

Saturn

Excellent
視星等: 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

赤經: 14h22m06s
赤緯: -11°19'16"

Uranus

Fair
視星等: 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

赤經: 00h41m25s
赤緯: +03°43'19"

Neptune

Fair
視星等: 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

赤經: 22h29m09s
赤緯: -10°11'25"

Moon

Excellent
視星等: -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

赤經: 07h18m34s
赤緯: +17°29'56"