October 2099 Sky Events

Observer Location:Beijing (39.904°, 116.407°)

Monthly Sky Events Overview

29 sky events total, including 4 moon phases and 5 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

October 2099 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: 0.9
Constellation: Scorpius
Angular diameter: 8.9"
Status: near superior conjunction

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

Right ascension: 14h30m15s
Declination: -18°15'53"

Venus

Excellent
Apparent magnitude: -3.9
Constellation: Scorpius
Angular diameter: 10.8"
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: 14h47m50s
Declination: -16°06'51"

Mars

Excellent
Apparent magnitude: -2.6
Constellation: Aries
Angular diameter: 22.3"
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: 01h41m56s
Declination: +07°31'24"

Jupiter

Excellent
Apparent magnitude: -1.7
Constellation: Libra
Angular diameter: 30.8"
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: 12h29m54s
Declination: -02°02'03"

Saturn

Excellent
Apparent magnitude: 0.8
Constellation: Libra
Angular diameter: 15.6"
Status: near eastern quadrature

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

Right ascension: 13h09m16s
Declination: -04°56'12"

Uranus

Fair
Apparent magnitude: 5.8
Constellation: Aries
Angular diameter: 3.7"
Status: near western quadrature

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

Right ascension: 01h13m19s
Declination: +07°02'33"

Neptune

Fair
Apparent magnitude: 7.9
Constellation: Virgo
Angular diameter: 2.2"
Status: near eastern quadrature

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

Right ascension: 11h10m39s
Declination: +06°16'54"

Moon

Excellent
Apparent magnitude: -12.7
Constellation: Scorpius
Angular diameter: 12919.3"
Status: Moon illumination 1.4%

Observation tip: Moon illumination 1.4%; good for observing lunar surface detail

Right ascension: 14h06m52s
Declination: -16°19'07"