May 2015 天象

观测地点:Beijing (39.904°, 116.407°)

月度天象概览

22 天文事件合计,包括 4 月相和 3 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 2015 mid-month observing conditions

Mercury

Excellent
视星等: 1.4
星座: Gemini
Angular diameter: 9.7"
Status: near superior conjunction

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

赤经: 04h42m56s
赤纬: +24°10'03"

Venus

Excellent
视星等: -4.2
星座: Cancer
Angular diameter: 18.7"
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: 06h34m14s
赤纬: +25°55'10"

Mars

Excellent
视星等: 1.4
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

赤经: 03h59m30s
赤纬: +20°54'01"

Jupiter

Excellent
视星等: -2.0
星座: Leo
Angular diameter: 36.3"
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: 09h09m09s
赤纬: +17°19'46"

Saturn

Excellent
视星等: 0.1
星座: Sagittarius
Angular diameter: 18.5"
Status: near eastern quadrature

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

赤经: 16h02m26s
赤纬: -18°27'28"

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: 01h09m23s
赤纬: +06°41'24"

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: 22h45m47s
赤纬: -08°40'31"

Moon

Excellent
视星等: -12.7
星座: Aries
Angular diameter: 12711.7"
Status: Moon illumination 13.2%

Observation tip: Moon illumination 13.2%; good for observing lunar surface detail

赤经: 00h41m50s
赤纬: +04°18'00"