August 1940 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

August 1940 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.6
Constellation: Leo
Angular diameter: 6.6"
Status: near inferior conjunction

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

Right ascension: 08h25m20s
Declination: +19°05'19"

Venus

Excellent
Apparent magnitude: -4.6
Constellation: Cancer
Angular diameter: 30.9"
Status: near greatest eastern 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: 06h35m04s
Declination: +18°39'07"

Mars

Excellent
Apparent magnitude: 1.7
Constellation: Leo
Angular diameter: 3.5"
Status: near western quadrature

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

Right ascension: 09h58m35s
Declination: +13°33'57"

Jupiter

Excellent
Apparent magnitude: -2.5
Constellation: Taurus
Angular diameter: 41.6"
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

Right ascension: 02h51m36s
Declination: +15°08'00"

Saturn

Excellent
Apparent magnitude: 0.2
Constellation: Taurus
Angular diameter: 18.4"
Status: near eastern quadrature

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

Right ascension: 02h51m42s
Declination: +13°53'42"

Uranus

Fair
Apparent magnitude: 5.8
Constellation: Taurus
Angular diameter: 3.6"
Status: near eastern quadrature

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

Right ascension: 03h35m04s
Declination: +18°59'58"

Neptune

Fair
Apparent magnitude: 8.0
Constellation: Virgo
Angular diameter: 2.2"
Status: near western quadrature

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

Right ascension: 11h39m58s
Declination: +03°28'20"

Moon

Excellent
Apparent magnitude: -12.7
Constellation: Capricornus
Angular diameter: 11920.1"
Status: Moon illumination 91.2%

Observation tip: Moon illumination 91.2%; good for observing lunar surface detail

Right ascension: 19h14m02s
Declination: -17°13'02"