January 2091 Sky Events

Observer Location:Beijing (39.904°, 116.407°)

Monthly Sky Events Overview

20 sky events total, including 4 moon phases and 0 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

January 2091 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.5
Constellation: Capricornus
Angular diameter: 4.9"
Status: near inferior conjunction

Observation tip: Very bright, easily visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Right ascension: 18h51m28s
Declination: -23°51'00"

Venus

Excellent
Apparent magnitude: -4.3
Constellation: Sagittarius
Angular diameter: 18.4"
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: 16h37m31s
Declination: -19°23'12"

Mars

Excellent
Apparent magnitude: -0.1
Constellation: Virgo
Angular diameter: 10.0"
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: 11h47m31s
Declination: +04°55'07"

Jupiter

Excellent
Apparent magnitude: -1.8
Constellation: Capricornus
Angular diameter: 32.0"
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: 18h27m52s
Declination: -23°06'28"

Saturn

Excellent
Apparent magnitude: -0.3
Constellation: Gemini
Angular diameter: 20.3"
Status: near western quadrature

Observation tip: Very bright, easily visible to the naked eye; Saturn’s rings require a telescope to see clearly

Right ascension: 05h14m49s
Declination: +21°35'37"

Uranus

Fair
Apparent magnitude: 6.0
Constellation: Pisces
Angular diameter: 3.4"
Status: near western quadrature

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

Right ascension: 22h59m17s
Declination: -07°16'57"

Neptune

Fair
Apparent magnitude: 7.7
Constellation: Leo
Angular diameter: 2.3"
Status: near eastern quadrature

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

Right ascension: 09h57m21s
Declination: +12°53'55"

Moon

Excellent
Apparent magnitude: -12.7
Constellation: Scorpius
Angular diameter: 12386.0"
Status: Moon illumination 23.7%

Observation tip: Moon illumination 23.7%; good for observing lunar surface detail

Right ascension: 15h43m49s
Declination: -14°40'50"