May 2099 Sky Events

Observer Location:Beijing (39.904°, 116.407°)

Monthly Sky Events Overview

27 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

May 2099 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -1.3
Constellation: Gemini
Angular diameter: 5.5"
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: 04h17m58s
Declination: +22°56'44"

Venus

Excellent
Apparent magnitude: -3.8
Constellation: Taurus
Angular diameter: 10.4"
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: 02h16m37s
Declination: +12°10'12"

Mars

Excellent
Apparent magnitude: 0.2
Constellation: Pisces
Angular diameter: 8.1"
Status: near eastern quadrature

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

Right ascension: 22h21m01s
Declination: -12°20'45"

Jupiter

Excellent
Apparent magnitude: -2.2
Constellation: Virgo
Angular diameter: 39.3"
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: 11h00m33s
Declination: +07°47'20"

Saturn

Excellent
Apparent magnitude: 0.6
Constellation: Libra
Angular diameter: 18.7"
Status: near western quadrature

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

Right ascension: 12h33m32s
Declination: -00°45'39"

Uranus

Fair
Apparent magnitude: 6.0
Constellation: Aries
Angular diameter: 3.4"
Status: near eastern quadrature

Observation tip: A telescope is required; Binoculars or a telescope are recommended

Right ascension: 01h13m39s
Declination: +07°07'34"

Neptune

Fair
Apparent magnitude: 7.8
Constellation: Virgo
Angular diameter: 2.3"
Status: near western quadrature

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

Right ascension: 10h56m23s
Declination: +07°46'20"

Moon

Excellent
Apparent magnitude: -12.7
Constellation: Pisces
Angular diameter: 11515.0"
Status: Moon illumination 24.5%

Observation tip: Moon illumination 24.5%; good for observing lunar surface detail

Right ascension: 23h44m05s
Declination: -02°37'23"