May 2040 Sky Events

Observer Location:Beijing (39.904°, 116.407°)

Monthly Sky Events Overview

22 sky events total, including 4 moon phases and 2 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 2040 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.9
Constellation: Gemini
Angular diameter: 5.9"
Status: near greatest western elongation

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

Right ascension: 04h35m00s
Declination: +23°59'28"

Venus

Excellent
Apparent magnitude: -3.9
Constellation: Taurus
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

Right ascension: 03h12m56s
Declination: +17°07'17"

Mars

Excellent
Apparent magnitude: 1.3
Constellation: Leo
Angular diameter: 5.6"
Status: near western quadrature

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

Right ascension: 08h37m08s
Declination: +20°18'26"

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: 11h32m28s
Declination: +04°31'28"

Saturn

Excellent
Apparent magnitude: 0.7
Constellation: Libra
Angular diameter: 18.7"
Status: near western quadrature

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

Right ascension: 12h24m55s
Declination: +00°08'14"

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: 08h09m06s
Declination: +20°42'30"

Neptune

Fair
Apparent magnitude: 7.8
Constellation: Taurus
Angular diameter: 2.2"
Status: near eastern quadrature

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

Right ascension: 02h09m45s
Declination: +11°17'38"

Moon

Excellent
Apparent magnitude: -12.7
Constellation: Cancer
Angular diameter: 11498.1"
Status: Moon illumination 13.5%

Observation tip: Moon illumination 13.5%; good for observing lunar surface detail

Right ascension: 06h34m32s
Declination: +26°09'46"