April 1984 天象

观测地点:Beijing (39.904°, 116.407°)

月度天象概览

23 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 1984 mid-month observing conditions

Mercury

Good
视星等: 2.8
星座: Taurus
Angular diameter: 10.6"
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: 02h11m33s
赤纬: +16°17'18"

Venus

Excellent
视星等: -3.9
星座: Aries
Angular diameter: 10.2"
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: 00h34m47s
赤纬: +02°06'25"

Mars

Excellent
视星等: -1.2
星座: Scorpius
Angular diameter: 14.7"
Status: near eastern quadrature

Observation tip: Very bright, easily visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

赤经: 15h42m57s
赤纬: -18°46'08"

Jupiter

Excellent
视星等: -2.3
星座: Capricornus
Angular diameter: 39.9"
Status: near eastern 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: 18h54m46s
赤纬: -22°38'24"

Saturn

Excellent
视星等: 0.2
星座: Scorpius
Angular diameter: 18.7"
Status: near eastern quadrature

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

赤经: 14h51m01s
赤纬: -13°40'56"

Uranus

Fair
视星等: 5.5
星座: Sagittarius
Angular diameter: 3.8"
Status: near eastern quadrature

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

赤经: 16h47m19s
赤纬: -22°20'57"

Neptune

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

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

赤经: 18h05m58s
赤纬: -22°14'02"

Moon

Excellent
视星等: -12.7
星座: Libra
Angular diameter: 12886.4"
Status: Moon illumination 98.9%

Observation tip: Moon illumination 98.9%; good for observing lunar surface detail

赤经: 12h58m13s
赤纬: -01°45'06"