May 1957 天象

观测地点:Beijing (39.904°, 116.407°)

月度天象概览

21 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

May 1957 mid-month observing conditions

Mercury

Good
视星等: 2.9
星座: Taurus
Angular diameter: 11.6"
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: 02h35m30s
赤纬: +12°55'54"

Venus

Excellent
视星等: -3.9
星座: Taurus
Angular diameter: 9.8"
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: 03h59m13s
赤纬: +20°27'56"

Mars

Excellent
视星等: 1.7
星座: Cancer
Angular diameter: 4.2"
Status: near western quadrature

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

赤经: 06h28m35s
赤纬: +24°34'23"

Jupiter

Excellent
视星等: -2.2
星座: Virgo
Angular diameter: 40.2"
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: 11h32m22s
赤纬: +04°32'50"

Saturn

Excellent
视星等: 0.1
星座: Sagittarius
Angular diameter: 18.3"
Status: near eastern quadrature

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

赤经: 16h44m20s
赤纬: -20°25'02"

Uranus

Fair
视星等: 5.6
星座: Leo
Angular diameter: 3.7"
Status: near western quadrature

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

赤经: 08h23m23s
赤纬: +19°59'10"

Neptune

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

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

赤经: 13h56m34s
赤纬: -10°00'04"

Moon

Excellent
视星等: -12.7
星座: Sagittarius
Angular diameter: 12155.9"
Status: Moon illumination 98.7%

Observation tip: Moon illumination 98.7%; good for observing lunar surface detail

赤经: 16h22m17s
赤纬: -19°56'10"