April 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 2 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

April 2015 mid-month observing conditions

Mercury

Excellent
视星等: -1.8
星座: Aries
Angular diameter: 5.2"
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: 01h52m04s
赤纬: +11°28'38"

Venus

Excellent
视星等: -4.1
星座: Gemini
Angular diameter: 15.0"
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: 04h06m18s
赤纬: +22°33'14"

Mars

Excellent
视星等: 1.4
星座: Taurus
Angular diameter: 3.9"
Status: near western quadrature

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

赤经: 02h32m23s
赤纬: +15°00'20"

Jupiter

Excellent
视星等: -2.2
星座: Leo
Angular diameter: 39.8"
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: 09h01m35s
赤纬: +17°54'57"

Saturn

Excellent
视星等: 0.2
星座: Sagittarius
Angular diameter: 18.1"
Status: near eastern quadrature

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

赤经: 16h10m17s
赤纬: -18°50'23"

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: 01h03m23s
赤纬: +06°04'44"

Neptune

Fair
视星等: 7.8
星座: Pisces
Angular diameter: 2.2"
Status: near eastern quadrature

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

赤经: 22h43m15s
赤纬: -08°54'46"

Moon

Excellent
视星等: -12.7
星座: Pisces
Angular diameter: 12765.8"
Status: Moon illumination 19.6%

Observation tip: Moon illumination 19.6%; good for observing lunar surface detail

赤经: 22h12m29s
赤纬: -07°37'45"