May 1957 Sky Events

Observer Location:Beijing (39.904°, 116.407°)

Monthly Sky Events Overview

21 sky events total, including 4 moon phases and 1 planetary events.

Daily Sky Events

All times are in local time (Asia/Shanghai)

Group Date Sunrise/Sunset Moonrise/Moonset Moon Phase Sky Events

Planetary outlook

May 1957 mid-month observing conditions

Mercury

Good
Apparent magnitude: 2.9
Constellation: 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

Right ascension: 02h35m30s
Declination: +12°55'54"

Venus

Excellent
Apparent magnitude: -3.9
Constellation: 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

Right ascension: 03h59m13s
Declination: +20°27'56"

Mars

Excellent
Apparent magnitude: 1.7
Constellation: 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

Right ascension: 06h28m35s
Declination: +24°34'23"

Jupiter

Excellent
Apparent magnitude: -2.2
Constellation: 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

Right ascension: 11h32m22s
Declination: +04°32'50"

Saturn

Excellent
Apparent magnitude: 0.1
Constellation: 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

Right ascension: 16h44m20s
Declination: -20°25'02"

Uranus

Fair
Apparent magnitude: 5.6
Constellation: Leo
Angular diameter: 3.7"
Status: near western quadrature

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

Right ascension: 08h23m23s
Declination: +19°59'10"

Neptune

Fair
Apparent magnitude: 7.9
Constellation: Libra
Angular diameter: 2.3"
Status: near western quadrature

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

Right ascension: 13h56m34s
Declination: -10°00'04"

Moon

Excellent
Apparent magnitude: -12.7
Constellation: Sagittarius
Angular diameter: 12155.9"
Status: Moon illumination 98.7%

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

Right ascension: 16h22m17s
Declination: -19°56'10"