April 1909 天象

观测地点:Beijing (39.904°, 116.407°)

月度天象概览

25 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

April 1909 mid-month observing conditions

Mercury

Excellent
视星等: -1.3
星座: Aries
Angular diameter: 5.1"
Status: near inferior conjunction

Observation tip: Very bright, easily visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

赤经: 01h04m13s
赤纬: +05°13'09"

Venus

Excellent
视星等: -3.9
星座: Aries
Angular diameter: 9.7"
Status: near inferior conjunction

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: 01h18m43s
赤纬: +06°58'37"

Mars

Excellent
视星等: 0.4
星座: Aquarius
Angular diameter: 7.5"
Status: near eastern quadrature

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

赤经: 20h24m05s
赤纬: -20°31'59"

Jupiter

Excellent
视星等: -2.3
星座: Virgo
Angular diameter: 41.8"
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: 10h29m11s
赤纬: +10°57'12"

Saturn

Excellent
视星等: 0.8
星座: Aries
Angular diameter: 16.0"
Status: near eastern quadrature

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

赤经: 00h56m51s
赤纬: +03°40'12"

Uranus

Fair
视星等: 5.8
星座: Capricornus
Angular diameter: 3.6"
Status: near eastern quadrature

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

赤经: 19h31m14s
赤纬: -22°14'26"

Neptune

Fair
视星等: 7.9
星座: Cancer
Angular diameter: 2.3"
Status: near western quadrature

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

赤经: 07h02m16s
赤纬: +21°56'32"

Moon

Excellent
视星等: -12.7
星座: Aquarius
Angular diameter: 12563.8"
Status: Moon illumination 34.7%

Observation tip: Moon illumination 34.7%; good for observing lunar surface detail

赤经: 21h04m22s
赤纬: -21°04'35"