September 2001 Événements célestes

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

Aperçu des événements célestes mensuels

22 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

September 2001 mid-month observing conditions

Mercury

Excellent
Magnitude apparente: 0.1
Constellation: Libra
Angular diameter: 6.5"
Status: near greatest western elongation

Observation tip: Visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Ascension droite: 13h04m21s
Déclinaison: -09°13'05"

Venus

Excellent
Magnitude apparente: -3.9
Constellation: Leo
Angular diameter: 12.0"
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

Ascension droite: 09h40m41s
Déclinaison: +14°36'24"

Mars

Excellent
Magnitude apparente: -0.7
Constellation: Capricornus
Angular diameter: 12.0"
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

Ascension droite: 18h14m44s
Déclinaison: -26°40'50"

Jupiter

Excellent
Magnitude apparente: -2.1
Constellation: Cancer
Angular diameter: 36.6"
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

Ascension droite: 06h52m27s
Déclinaison: +22°41'42"

Saturn

Excellent
Magnitude apparente: -0.0
Constellation: Gemini
Angular diameter: 18.7"
Status: near eastern quadrature

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

Ascension droite: 04h55m02s
Déclinaison: +20°47'25"

Uranus

Fair
Magnitude apparente: 5.8
Constellation: Aquarius
Angular diameter: 3.7"
Status: near western quadrature

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

Ascension droite: 21h37m23s
Déclinaison: -14°58'47"

Neptune

Fair
Magnitude apparente: 7.7
Constellation: Aquarius
Angular diameter: 2.3"
Status: near western quadrature

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

Ascension droite: 20h34m31s
Déclinaison: -18°34'31"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Leo
Angular diameter: 12902.4"
Status: Moon illumination 8.9%

Observation tip: Moon illumination 8.9%; good for observing lunar surface detail

Ascension droite: 09h24m59s
Déclinaison: +18°54'20"