December 1902 Sky Events

Observer Location:Beijing (39.904°, 116.407°)

Monthly Sky Events Overview

21 sky events total, including 4 moon phases and 3 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

December 1902 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -1.3
Constellation: Sagittarius
Angular diameter: 4.6"
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: 17h31m15s
Declination: -24°42'45"

Venus

Excellent
Apparent magnitude: -3.9
Constellation: Sagittarius
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: 17h42m14s
Declination: -23°46'12"

Mars

Excellent
Apparent magnitude: 0.9
Constellation: Virgo
Angular diameter: 6.5"
Status: near eastern quadrature

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

Right ascension: 11h54m44s
Declination: +02°53'54"

Jupiter

Excellent
Apparent magnitude: -2.1
Constellation: Aquarius
Angular diameter: 35.4"
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: 21h10m33s
Declination: -17°09'32"

Saturn

Excellent
Apparent magnitude: 0.7
Constellation: Capricornus
Angular diameter: 15.4"
Status: near western quadrature

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

Right ascension: 19h51m45s
Declination: -21°13'14"

Uranus

Fair
Apparent magnitude: 5.8
Constellation: Sagittarius
Angular diameter: 3.5"
Status: near eastern quadrature

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

Right ascension: 17h23m01s
Declination: -23°16'43"

Neptune

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

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

Right ascension: 06h11m13s
Declination: +22°16'47"

Moon

Excellent
Apparent magnitude: -12.7
Constellation: Gemini
Angular diameter: 13029.2"
Status: Moon illumination 99.8%

Observation tip: Moon illumination 99.8%; good for observing lunar surface detail

Right ascension: 05h17m07s
Declination: +18°50'57"