September 1979 Sky Events

Observer Location:Beijing (39.904°, 116.407°)

Monthly Sky Events Overview

21 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

September 1979 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -1.7
Constellation: Virgo
Angular diameter: 4.8"
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: 11h37m09s
Declination: +04°06'30"

Venus

Excellent
Apparent magnitude: -3.9
Constellation: Virgo
Angular diameter: 9.7"
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: 11h51m37s
Declination: +02°22'54"

Mars

Excellent
Apparent magnitude: 1.3
Constellation: Cancer
Angular diameter: 5.1"
Status: near eastern quadrature

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

Right ascension: 07h44m08s
Declination: +22°06'32"

Jupiter

Excellent
Apparent magnitude: -1.8
Constellation: Leo
Angular diameter: 31.5"
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: 09h58m11s
Declination: +13°11'44"

Saturn

Excellent
Apparent magnitude: 1.0
Constellation: Virgo
Angular diameter: 16.0"
Status: near eastern quadrature

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

Right ascension: 11h18m00s
Declination: +06°29'24"

Uranus

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

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

Right ascension: 15h02m28s
Declination: -16°54'21"

Neptune

Fair
Apparent magnitude: nan
Constellation: Sagittarius
Angular diameter: 2.3"
Status: near western quadrature

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

Right ascension: 17h07m27s
Declination: -21°29'33"

Moon

Excellent
Apparent magnitude: -12.7
Constellation: Cancer
Angular diameter: 11699.4"
Status: Moon illumination 33.0%

Observation tip: Moon illumination 33.0%; good for observing lunar surface detail

Right ascension: 06h49m00s
Declination: +18°30'52"