October 2100 Sky Events

Observer Location:Beijing (39.904°, 116.407°)

Monthly Sky Events Overview

30 sky events total, including 4 moon phases and 6 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 2100 mid-month observing conditions

Mercury

Good
Apparent magnitude: 2.1
Constellation: Libra
Angular diameter: 9.2"
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: 12h39m01s
Declination: -04°16'43"

Venus

Excellent
Apparent magnitude: -4.0
Constellation: Virgo
Angular diameter: 12.7"
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: 11h21m05s
Declination: +05°33'08"

Mars

Excellent
Apparent magnitude: 1.6
Constellation: Libra
Angular diameter: 3.6"
Status: near eastern quadrature

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

Right ascension: 13h16m39s
Declination: -07°28'05"

Jupiter

Excellent
Apparent magnitude: -1.7
Constellation: Libra
Angular diameter: 30.7"
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: 13h57m00s
Declination: -10°51'43"

Saturn

Excellent
Apparent magnitude: 0.7
Constellation: Libra
Angular diameter: 15.5"
Status: near western quadrature

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

Right ascension: 13h49m28s
Declination: -08°51'55"

Uranus

Fair
Apparent magnitude: 5.7
Constellation: Aries
Angular diameter: 3.7"
Status: near eastern quadrature

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

Right ascension: 01h28m55s
Declination: +08°37'56"

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: 11h18m35s
Declination: +05°30'17"

Moon

Excellent
Apparent magnitude: -12.7
Constellation: Pisces
Angular diameter: 11691.1"
Status: Moon illumination 90.9%

Observation tip: Moon illumination 90.9%; good for observing lunar surface detail

Right ascension: 23h09m26s
Declination: -04°32'47"