May 2001 Événements célestes

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

Aperçu des événements célestes mensuels

23 événements célestes au total, dont 4 phases lunaires et 2 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 2001 mid-month observing conditions

Mercury

Excellent
Magnitude apparente: -0.2
Constellation: Gemini
Angular diameter: 6.8"
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

Ascension droite: 04h52m58s
Déclinaison: +24°57'20"

Venus

Excellent
Magnitude apparente: -4.6
Constellation: Aries
Angular diameter: 32.7"
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

Ascension droite: 00h42m07s
Déclinaison: +03°58'02"

Mars

Excellent
Magnitude apparente: -1.5
Constellation: Sagittarius
Angular diameter: 16.6"
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: 17h55m30s
Déclinaison: -24°52'44"

Jupiter

Excellent
Magnitude apparente: -2.0
Constellation: Gemini
Angular diameter: 32.8"
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: 05h01m41s
Déclinaison: +22°23'21"

Saturn

Excellent
Magnitude apparente: 0.1
Constellation: Gemini
Angular diameter: 16.5"
Status: near western quadrature

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

Ascension droite: 04h05m12s
Déclinaison: +19°04'53"

Uranus

Fair
Magnitude apparente: 5.9
Constellation: Aquarius
Angular diameter: 3.5"
Status: near eastern quadrature

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

Ascension droite: 21h49m08s
Déclinaison: -13°56'48"

Neptune

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

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

Ascension droite: 20h44m38s
Déclinaison: -17°55'09"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Aquarius
Angular diameter: 11513.2"
Status: Moon illumination 54.2%

Observation tip: Moon illumination 54.2%; good for observing lunar surface detail

Ascension droite: 21h32m44s
Déclinaison: -18°14'55"