September 1973 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

September 1973 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.8
Constellation: Libra
Angular diameter: 4.9"
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: 12h09m33s
Declination: -00°11'11"

Venus

Excellent
Apparent magnitude: -4.0
Constellation: Libra
Angular diameter: 15.1"
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: 13h57m56s
Declination: -12°46'49"

Mars

Excellent
Apparent magnitude: -1.8
Constellation: Taurus
Angular diameter: 18.5"
Status: near eastern quadrature

Observation tip: Very bright, easily visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

Right ascension: 02h31m15s
Declination: +11°16'30"

Jupiter

Excellent
Apparent magnitude: -2.6
Constellation: Aquarius
Angular diameter: 45.1"
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: 20h20m14s
Declination: -20°20'50"

Saturn

Excellent
Apparent magnitude: 0.0
Constellation: Cancer
Angular diameter: 18.1"
Status: near eastern quadrature

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

Right ascension: 06h16m29s
Declination: +22°19'06"

Uranus

Fair
Apparent magnitude: 5.6
Constellation: Libra
Angular diameter: 3.7"
Status: near western quadrature

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

Right ascension: 13h20m17s
Declination: -07°50'53"

Neptune

Fair
Apparent magnitude: 7.9
Constellation: Sagittarius
Angular diameter: 2.2"
Status: near western quadrature

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

Right ascension: 16h13m01s
Declination: -19°33'13"

Moon

Excellent
Apparent magnitude: -12.7
Constellation: Aries
Angular diameter: 12299.1"
Status: Moon illumination 93.4%

Observation tip: Moon illumination 93.4%; good for observing lunar surface detail

Right ascension: 01h11m52s
Declination: +12°48'10"