April 2091 Sky Events

Observer Location:Beijing (39.904°, 116.407°)

Monthly Sky Events Overview

24 sky events total, including 4 moon phases and 1 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

April 2091 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: 0.5
Constellation: Pisces
Angular diameter: 8.3"
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: 23h55m59s
Declination: -02°33'26"

Venus

Excellent
Apparent magnitude: -3.9
Constellation: Pisces
Angular diameter: 11.4"
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: 23h57m34s
Declination: -01°53'51"

Mars

Excellent
Apparent magnitude: -0.5
Constellation: Virgo
Angular diameter: 11.6"
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: 10h37m19s
Declination: +11°39'13"

Jupiter

Excellent
Apparent magnitude: -2.2
Constellation: Capricornus
Angular diameter: 39.0"
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: 19h32m37s
Declination: -21°41'42"

Saturn

Excellent
Apparent magnitude: 0.1
Constellation: Gemini
Angular diameter: 17.4"
Status: near western quadrature

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

Right ascension: 05h22m02s
Declination: +22°02'04"

Uranus

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

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

Right ascension: 23h17m03s
Declination: -05°25'21"

Neptune

Fair
Apparent magnitude: 7.8
Constellation: Leo
Angular diameter: 2.3"
Status: near western quadrature

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

Right ascension: 09h49m12s
Declination: +13°37'29"

Moon

Excellent
Apparent magnitude: -12.7
Constellation: Pisces
Angular diameter: 11529.1"
Status: Moon illumination 13.0%

Observation tip: Moon illumination 13.0%; good for observing lunar surface detail

Right ascension: 22h58m03s
Declination: -06°47'38"