April 1998 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 1998 mid-month observing conditions

Mercury

Good
视星等: 2.9
星座: Aries
Angular diameter: 11.3"
Status: near greatest eastern elongation

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

赤经: 00h39m44s
赤纬: +04°45'44"

Venus

Excellent
视星等: -4.3
星座: Pisces
Angular diameter: 20.3"
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: 22h43m34s
赤纬: -08°11'53"

Mars

Excellent
视星等: 1.2
星座: Aries
Angular diameter: 3.8"
Status: near western quadrature

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

赤经: 01h57m35s
赤纬: +11°44'27"

Jupiter

Excellent
视星等: -2.1
星座: Pisces
Angular diameter: 34.3"
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: 23h10m59s
赤纬: -06°18'33"

Saturn

Excellent
视星等: 0.6
星座: Aries
Angular diameter: 16.1"
Status: near eastern quadrature

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

赤经: 01h30m28s
赤纬: +07°03'10"

Uranus

Fair
视星等: 5.9
星座: Aquarius
Angular diameter: 3.5"
Status: near eastern quadrature

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

赤经: 20h59m49s
赤纬: -17°42'33"

Neptune

Fair
视星等: nan
星座: Aquarius
Angular diameter: 2.3"
Status: near eastern quadrature

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

赤经: 20h16m56s
赤纬: -19°21'15"

Moon

Excellent
视星等: -12.7
星座: Scorpius
Angular diameter: 11593.0"
Status: Moon illumination 91.5%

Observation tip: Moon illumination 91.5%; good for observing lunar surface detail

赤经: 15h49m49s
赤纬: -14°54'47"