September 1998 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 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 1998 mid-month observing conditions

Mercury

Excellent
Magnitude apparente: -1.3
Constellation: Virgo
Angular diameter: 5.3"
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: 10h57m56s
Déclinaison: +08°34'00"

Venus

Excellent
Magnitude apparente: -3.9
Constellation: Virgo
Angular diameter: 10.0"
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: 10h48m42s
Déclinaison: +09°00'23"

Mars

Excellent
Magnitude apparente: 1.7
Constellation: Leo
Angular diameter: 4.0"
Status: near eastern quadrature

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

Ascension droite: 09h15m25s
Déclinaison: +17°08'50"

Jupiter

Excellent
Magnitude apparente: -2.9
Constellation: Pisces
Angular diameter: 49.7"
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: 23h37m31s
Déclinaison: -04°07'47"

Saturn

Excellent
Magnitude apparente: 0.2
Constellation: Taurus
Angular diameter: 19.5"
Status: near eastern quadrature

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

Ascension droite: 02h06m20s
Déclinaison: +09°55'10"

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: 20h47m33s
Déclinaison: -18°35'09"

Neptune

Fair
Magnitude apparente: 7.8
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: 20h06m38s
Déclinaison: -19°54'38"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Cancer
Angular diameter: 12136.6"
Status: Moon illumination 29.8%

Observation tip: Moon illumination 29.8%; good for observing lunar surface detail

Ascension droite: 07h07m28s
Déclinaison: +18°45'19"