February 1999 Événements célestes

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

Aperçu des événements célestes mensuels

20 événements célestes au total, dont 3 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

February 1999 mid-month observing conditions

Mercury

Excellent
Magnitude apparente: -1.4
Constellation: Pisces
Angular diameter: 5.2"
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: 22h26m56s
Déclinaison: -11°17'40"

Venus

Excellent
Magnitude apparente: -3.9
Constellation: Pisces
Angular diameter: 11.3"
Status: near greatest western 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: 23h30m49s
Déclinaison: -04°31'11"

Mars

Excellent
Magnitude apparente: 0.2
Constellation: Scorpius
Angular diameter: 9.0"
Status: near eastern quadrature

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

Ascension droite: 14h21m28s
Déclinaison: -11°48'39"

Jupiter

Excellent
Magnitude apparente: -2.1
Constellation: Aries
Angular diameter: 34.4"
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: 00h03m21s
Déclinaison: -00°51'44"

Saturn

Excellent
Magnitude apparente: 0.5
Constellation: Aries
Angular diameter: 17.2"
Status: near western quadrature

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

Ascension droite: 01h50m15s
Déclinaison: +08°50'30"

Uranus

Fair
Magnitude apparente: 6.0
Constellation: Aquarius
Angular diameter: 3.4"
Status: near eastern quadrature

Observation tip: A telescope is required; Binoculars or a telescope are recommended

Ascension droite: 21h04m39s
Déclinaison: -17°22'14"

Neptune

Fair
Magnitude apparente: 7.9
Constellation: Aquarius
Angular diameter: 2.2"
Status: near eastern quadrature

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

Ascension droite: 20h19m47s
Déclinaison: -19°15'46"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Aquarius
Angular diameter: 12163.5"
Status: Moon illumination 1.9%

Observation tip: Moon illumination 1.9%; good for observing lunar surface detail

Ascension droite: 20h48m08s
Déclinaison: -16°40'50"