January 1903 Sky Events

Observer Location:Beijing (39.904°, 116.407°)

Monthly Sky Events Overview

19 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

January 1903 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.7
Constellation: Aquarius
Angular diameter: 6.4"
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: 20h59m02s
Declination: -18°07'48"

Venus

Excellent
Apparent magnitude: -3.9
Constellation: Aquarius
Angular diameter: 10.0"
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: 20h30m22s
Declination: -20°20'43"

Mars

Excellent
Apparent magnitude: 0.4
Constellation: Libra
Angular diameter: 8.3"
Status: near eastern quadrature

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

Right ascension: 12h41m15s
Declination: -01°36'16"

Jupiter

Excellent
Apparent magnitude: -2.0
Constellation: Aquarius
Angular diameter: 33.6"
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: 21h36m16s
Declination: -15°08'53"

Saturn

Excellent
Apparent magnitude: 0.6
Constellation: Aquarius
Angular diameter: 15.1"
Status: near western quadrature

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

Right ascension: 20h06m32s
Declination: -20°33'27"

Uranus

Fair
Apparent magnitude: 5.7
Constellation: Sagittarius
Angular diameter: 3.5"
Status: near eastern quadrature

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

Right ascension: 17h30m56s
Declination: -23°23'17"

Neptune

Fair
Apparent magnitude: 7.8
Constellation: Cancer
Angular diameter: 2.4"
Status: near western quadrature

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

Right ascension: 06h07m30s
Declination: +22°18'02"

Moon

Excellent
Apparent magnitude: -12.7
Constellation: Leo
Angular diameter: 12910.8"
Status: Moon illumination 96.9%

Observation tip: Moon illumination 96.9%; good for observing lunar surface detail

Right ascension: 08h58m58s
Declination: +12°20'19"