April 1979 Sky Events

Observer Location:Beijing (39.904°, 116.407°)

Monthly Sky Events Overview

21 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

April 1979 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: 0.6
Constellation: Pisces
Angular diameter: 8.9"
Status: near greatest eastern elongation

Observation tip: Visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Right ascension: 23h56m09s
Declination: -02°12'06"

Venus

Excellent
Apparent magnitude: -3.9
Constellation: Pisces
Angular diameter: 13.0"
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: 23h25m57s
Declination: -05°05'22"

Mars

Excellent
Apparent magnitude: 1.2
Constellation: Aries
Angular diameter: 4.1"
Status: near eastern quadrature

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

Right ascension: 00h24m08s
Declination: +01°36'04"

Jupiter

Excellent
Apparent magnitude: -2.2
Constellation: Leo
Angular diameter: 38.5"
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: 08h07m47s
Declination: +20°53'42"

Saturn

Excellent
Apparent magnitude: 0.5
Constellation: Virgo
Angular diameter: 19.3"
Status: near western quadrature

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

Right ascension: 10h40m11s
Declination: +10°35'37"

Uranus

Fair
Apparent magnitude: 5.4
Constellation: Scorpius
Angular diameter: 4.0"
Status: near eastern quadrature

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

Right ascension: 15h10m37s
Declination: -17°24'26"

Neptune

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

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

Right ascension: 17h18m28s
Declination: -21°39'16"

Moon

Excellent
Apparent magnitude: -12.7
Constellation: Scorpius
Angular diameter: 12105.2"
Status: Moon illumination 93.5%

Observation tip: Moon illumination 93.5%; good for observing lunar surface detail

Right ascension: 15h30m18s
Declination: -14°05'37"