May 2018 Événements célestes

Lieu d'observation:Beijing (39.904°, 116.407°)

Aperçu des événements célestes mensuels

21 événements célestes au total, dont 4 phases lunaires et 1 événements planétaires.

Événements célestes quotidiens

Toutes les heures en heure locale (Asia/Shanghai)

Group Date Lever/Coucher du soleil Lever/Coucher de la lune Phase lunaire Événements célestes

Planetary outlook

May 2018 mid-month observing conditions

Mercury

Excellent
Magnitude apparente: -0.3
Constellation: Taurus
Angular diameter: 6.2"
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

Ascension droite: 02h04m05s
Déclinaison: +09°49'09"

Venus

Excellent
Magnitude apparente: -3.9
Constellation: Gemini
Angular diameter: 12.1"
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

Ascension droite: 05h35m58s
Déclinaison: +24°44'31"

Mars

Excellent
Magnitude apparente: -0.8
Constellation: Aquarius
Angular diameter: 12.8"
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

Ascension droite: 20h08m28s
Déclinaison: -22°08'13"

Jupiter

Excellent
Magnitude apparente: -2.5
Constellation: Scorpius
Angular diameter: 44.8"
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

Ascension droite: 15h02m00s
Déclinaison: -15°52'11"

Saturn

Excellent
Magnitude apparente: 0.3
Constellation: Capricornus
Angular diameter: 17.8"
Status: near eastern quadrature

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

Ascension droite: 18h37m05s
Déclinaison: -22°16'25"

Uranus

Fair
Magnitude apparente: 5.9
Constellation: Aries
Angular diameter: 3.4"
Status: near eastern quadrature

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

Ascension droite: 01h52m15s
Déclinaison: +10°58'00"

Neptune

Fair
Magnitude apparente: 7.8
Constellation: Pisces
Angular diameter: 2.3"
Status: near eastern quadrature

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

Ascension droite: 23h10m31s
Déclinaison: -06°19'15"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Taurus
Angular diameter: 12591.5"
Status: Moon illumination 0.5%

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

Ascension droite: 03h05m56s
Déclinaison: +12°16'45"