April 1978 天象

观测地点:Beijing (39.904°, 116.407°)

月度天象概览

18 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

April 1978 mid-month observing conditions

Mercury

Fair
视星等: 5.0
星座: Aries
Angular diameter: 11.7"
Status: near greatest eastern elongation

Observation tip: Binoculars are recommended; Mercury stays close to the Sun; best seen at dusk or dawn

赤经: 01h07m48s
赤纬: +08°45'52"

Venus

Excellent
视星等: -3.9
星座: Taurus
Angular diameter: 10.6"
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: 02h49m53s
赤纬: +16°14'20"

Mars

Excellent
视星等: 0.6
星座: Leo
Angular diameter: 7.7"
Status: near western quadrature

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

赤经: 08h17m16s
赤纬: +22°09'44"

Jupiter

Excellent
视星等: -2.1
星座: Cancer
Angular diameter: 35.8"
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: 06h01m54s
赤纬: +23°26'50"

Saturn

Excellent
视星等: 0.4
星座: Leo
Angular diameter: 19.1"
Status: near western quadrature

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

赤经: 09h46m23s
赤纬: +15°03'26"

Uranus

Fair
视星等: 5.4
星座: Scorpius
Angular diameter: 4.0"
Status: near eastern quadrature

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

赤经: 14h51m30s
赤纬: -16°00'49"

Neptune

Fair
视星等: 7.9
星座: Sagittarius
Angular diameter: 2.3"
Status: near eastern quadrature

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

赤经: 17h09m02s
赤纬: -21°26'13"

Moon

Excellent
视星等: -12.7
星座: Cancer
Angular diameter: 11508.3"
Status: Moon illumination 44.6%

Observation tip: Moon illumination 44.6%; good for observing lunar surface detail

赤经: 07h16m33s
赤纬: +17°05'56"