May 1989 Sky Events

Observer Location:Beijing (39.904°, 116.407°)

Monthly Sky Events Overview

22 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

May 1989 mid-month observing conditions

Mercury

Good
Apparent magnitude: 3.1
Constellation: Gemini
Angular diameter: 11.1"
Status: near superior conjunction

Observation tip: Binoculars are recommended; Mercury stays close to the Sun; best seen at dusk or dawn

Right ascension: 04h18m16s
Declination: +22°24'23"

Venus

Excellent
Apparent magnitude: -3.9
Constellation: Gemini
Angular diameter: 9.9"
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: 04h10m26s
Declination: +21°07'39"

Mars

Excellent
Apparent magnitude: 1.7
Constellation: Cancer
Angular diameter: 4.3"
Status: near western quadrature

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

Right ascension: 06h43m00s
Declination: +24°25'56"

Jupiter

Excellent
Apparent magnitude: -2.0
Constellation: Gemini
Angular diameter: 32.7"
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: 04h45m06s
Declination: +21°52'28"

Saturn

Excellent
Apparent magnitude: 0.3
Constellation: Capricornus
Angular diameter: 17.8"
Status: near eastern quadrature

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

Right ascension: 18h58m32s
Declination: -22°05'33"

Uranus

Fair
Apparent magnitude: 5.6
Constellation: Capricornus
Angular diameter: 3.8"
Status: near eastern quadrature

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

Right ascension: 18h21m03s
Declination: -23°36'55"

Neptune

Fair
Apparent magnitude: 7.8
Constellation: Capricornus
Angular diameter: 2.3"
Status: near eastern quadrature

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

Right ascension: 18h52m23s
Declination: -21°57'37"

Moon

Excellent
Apparent magnitude: -12.7
Constellation: Virgo
Angular diameter: 11506.0"
Status: Moon illumination 72.4%

Observation tip: Moon illumination 72.4%; good for observing lunar surface detail

Right ascension: 11h22m48s
Declination: +02°11'08"