September 1988 Événements célestes

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

Aperçu des événements célestes mensuels

20 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

September 1988 mid-month observing conditions

Mercury

Excellent
Magnitude apparente: 0.2
Constellation: Libra
Angular diameter: 6.9"
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: 13h05m51s
Déclinaison: -09°44'36"

Venus

Excellent
Magnitude apparente: -4.2
Constellation: Leo
Angular diameter: 18.8"
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: 08h40m38s
Déclinaison: +17°07'18"

Mars

Excellent
Magnitude apparente: -2.6
Constellation: Aries
Angular diameter: 23.6"
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: 00h40m52s
Déclinaison: -01°11'29"

Jupiter

Excellent
Magnitude apparente: -2.5
Constellation: Gemini
Angular diameter: 42.6"
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: 04h17m06s
Déclinaison: +20°18'58"

Saturn

Excellent
Magnitude apparente: 0.4
Constellation: Sagittarius
Angular diameter: 16.7"
Status: near western quadrature

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

Ascension droite: 17h43m14s
Déclinaison: -22°27'22"

Uranus

Fair
Magnitude apparente: 5.7
Constellation: Sagittarius
Angular diameter: 3.7"
Status: near western quadrature

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

Ascension droite: 17h47m15s
Déclinaison: -23°37'34"

Neptune

Fair
Magnitude apparente: 7.8
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: 18h32m06s
Déclinaison: -22°16'43"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Scorpius
Angular diameter: 11627.1"
Status: Moon illumination 12.8%

Observation tip: Moon illumination 12.8%; good for observing lunar surface detail

Ascension droite: 14h01m13s
Déclinaison: -16°39'15"