April 1904 Sky Events

Observer Location:Beijing (39.904°, 116.407°)

Monthly Sky Events Overview

20 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

April 1904 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.5
Constellation: Taurus
Angular diameter: 6.5"
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: 02h38m13s
Declination: +17°37'38"

Venus

Excellent
Apparent magnitude: -3.9
Constellation: Aries
Angular diameter: 10.8"
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: 00h10m48s
Declination: -00°30'26"

Mars

Excellent
Apparent magnitude: 1.3
Constellation: Taurus
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

Right ascension: 02h15m13s
Declination: +13°28'05"

Jupiter

Excellent
Apparent magnitude: -2.1
Constellation: Aries
Angular diameter: 33.3"
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

Right ascension: 00h41m22s
Declination: +03°15'48"

Saturn

Excellent
Apparent magnitude: 0.8
Constellation: Aquarius
Angular diameter: 16.1"
Status: near eastern quadrature

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

Right ascension: 21h27m53s
Declination: -15°52'19"

Uranus

Fair
Apparent magnitude: 5.6
Constellation: Sagittarius
Angular diameter: 3.7"
Status: near eastern quadrature

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

Right ascension: 17h59m35s
Declination: -23°38'08"

Neptune

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

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

Right ascension: 06h14m45s
Declination: +22°23'00"

Moon

Excellent
Apparent magnitude: -12.7
Constellation: Aries
Angular diameter: 11694.0"
Status: Moon illumination 0.8%

Observation tip: Moon illumination 0.8%; good for observing lunar surface detail

Right ascension: 00h54m35s
Declination: +04°12'05"