October 1909 Sky Events

Observer Location:Beijing (39.904°, 116.407°)

Monthly Sky Events Overview

23 sky events total, including 4 moon phases and 3 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 1909 mid-month observing conditions

Mercury

Fair
Apparent magnitude: 4.6
Constellation: Libra
Angular diameter: 9.9"
Status: near greatest eastern elongation

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

Right ascension: 12h57m25s
Declination: -07°06'35"

Venus

Excellent
Apparent magnitude: -4.1
Constellation: Sagittarius
Angular diameter: 16.2"
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: 16h02m22s
Declination: -22°40'42"

Mars

Excellent
Apparent magnitude: -2.3
Constellation: Pisces
Angular diameter: 21.3"
Status: near western quadrature

Observation tip: Very bright, easily visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

Right ascension: 23h50m53s
Declination: -04°43'35"

Jupiter

Excellent
Apparent magnitude: -1.7
Constellation: Libra
Angular diameter: 31.0"
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: 12h04m04s
Declination: +00°44'58"

Saturn

Excellent
Apparent magnitude: 0.1
Constellation: Aries
Angular diameter: 19.9"
Status: near western quadrature

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

Right ascension: 01h16m49s
Declination: +05°07'00"

Uranus

Fair
Apparent magnitude: 5.8
Constellation: Capricornus
Angular diameter: 3.6"
Status: near western quadrature

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

Right ascension: 19h15m03s
Declination: -22°47'39"

Neptune

Fair
Apparent magnitude: nan
Constellation: Cancer
Angular diameter: 2.3"
Status: near eastern quadrature

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

Right ascension: 07h23m15s
Declination: +21°21'32"

Moon

Excellent
Apparent magnitude: -12.7
Constellation: Libra
Angular diameter: 11463.7"
Status: Moon illumination 0.5%

Observation tip: Moon illumination 0.5%; good for observing lunar surface detail

Right ascension: 13h49m18s
Declination: -07°43'33"