December 1927 Sky Events

Observer Location:Beijing (39.904°, 116.407°)

Monthly Sky Events Overview

24 sky events total, including 5 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

December 1927 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.6
Constellation: Sagittarius
Angular diameter: 5.1"
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: 16h26m41s
Declination: -21°15'56"

Venus

Excellent
Apparent magnitude: -4.3
Constellation: Scorpius
Angular diameter: 19.4"
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: 14h21m24s
Declination: -11°23'24"

Mars

Excellent
Apparent magnitude: 1.5
Constellation: Sagittarius
Angular diameter: 3.8"
Status: near eastern quadrature

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

Right ascension: 16h10m36s
Declination: -21°09'56"

Jupiter

Excellent
Apparent magnitude: -2.4
Constellation: Pisces
Angular diameter: 41.0"
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: 23h42m38s
Declination: -03°20'45"

Saturn

Excellent
Apparent magnitude: 0.5
Constellation: Sagittarius
Angular diameter: 15.1"
Status: near eastern quadrature

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

Right ascension: 16h40m57s
Declination: -20°39'26"

Uranus

Fair
Apparent magnitude: 5.9
Constellation: Pisces
Angular diameter: 3.5"
Status: near western quadrature

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

Right ascension: 23h59m21s
Declination: -00°52'25"

Neptune

Fair
Apparent magnitude: 7.9
Constellation: Virgo
Angular diameter: 2.3"
Status: near eastern quadrature

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

Right ascension: 10h05m49s
Declination: +12°15'12"

Moon

Excellent
Apparent magnitude: -12.7
Constellation: Virgo
Angular diameter: 11755.1"
Status: Moon illumination 59.9%

Observation tip: Moon illumination 59.9%; good for observing lunar surface detail

Right ascension: 10h57m03s
Declination: +12°23'05"