October 1991 Événements célestes

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

Aperçu des événements célestes mensuels

22 événements célestes au total, dont 5 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

October 1991 mid-month observing conditions

Mercury

Excellent
Magnitude apparente: -0.8
Constellation: Libra
Angular diameter: 4.7"
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: 13h48m07s
Déclinaison: -11°05'16"

Venus

Excellent
Magnitude apparente: -4.7
Constellation: Virgo
Angular diameter: 30.2"
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: 10h28m54s
Déclinaison: +07°41'24"

Mars

Excellent
Magnitude apparente: 1.6
Constellation: Libra
Angular diameter: 3.6"
Status: near western quadrature

Observation tip: Visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

Ascension droite: 13h47m28s
Déclinaison: -10°45'05"

Jupiter

Excellent
Magnitude apparente: -1.8
Constellation: Virgo
Angular diameter: 32.7"
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: 10h34m29s
Déclinaison: +09°55'08"

Saturn

Excellent
Magnitude apparente: 0.5
Constellation: Aquarius
Angular diameter: 17.1"
Status: near western quadrature

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

Ascension droite: 20h10m22s
Déclinaison: -20°37'30"

Uranus

Fair
Magnitude apparente: 5.8
Constellation: Capricornus
Angular diameter: 3.6"
Status: near western quadrature

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

Ascension droite: 18h44m08s
Déclinaison: -23°25'32"

Neptune

Fair
Magnitude apparente: 7.9
Constellation: Capricornus
Angular diameter: 2.3"
Status: near western quadrature

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

Ascension droite: 19h00m50s
Déclinaison: -21°56'02"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Capricornus
Angular diameter: 11514.2"
Status: Moon illumination 43.3%

Observation tip: Moon illumination 43.3%; good for observing lunar surface detail

Ascension droite: 18h57m33s
Déclinaison: -22°49'03"