September 1900 Sky Events

Observer Location:Beijing (39.904°, 116.407°)

Monthly Sky Events Overview

26 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

September 1900 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -1.7
Constellation: Virgo
Angular diameter: 4.8"
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: 11h36m01s
Declination: +04°14'32"

Venus

Excellent
Apparent magnitude: -4.5
Constellation: Leo
Angular diameter: 24.4"
Status: near greatest eastern 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: 08h29m48s
Declination: +16°34'02"

Mars

Excellent
Apparent magnitude: 1.3
Constellation: Cancer
Angular diameter: 5.2"
Status: near eastern quadrature

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

Right ascension: 07h39m34s
Declination: +22°17'31"

Jupiter

Excellent
Apparent magnitude: -2.0
Constellation: Sagittarius
Angular diameter: 35.7"
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: 16h09m44s
Declination: -20°29'56"

Saturn

Excellent
Apparent magnitude: 0.4
Constellation: Sagittarius
Angular diameter: 16.8"
Status: near western quadrature

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

Right ascension: 17h53m44s
Declination: -22°38'10"

Uranus

Fair
Apparent magnitude: 5.6
Constellation: Sagittarius
Angular diameter: 3.7"
Status: near western quadrature

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

Right ascension: 16h28m18s
Declination: -21°45'15"

Neptune

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

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

Right ascension: 05h56m25s
Declination: +22°13'47"

Moon

Excellent
Apparent magnitude: -12.7
Constellation: Gemini
Angular diameter: 12327.5"
Status: Moon illumination 59.5%

Observation tip: Moon illumination 59.5%; good for observing lunar surface detail

Right ascension: 04h37m30s
Declination: +21°33'38"