April 1998 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 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

April 1998 mid-month observing conditions

Mercury

Good
Magnitude apparente: 2.9
Constellation: Aries
Angular diameter: 11.3"
Status: near greatest eastern elongation

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

Ascension droite: 00h39m44s
Déclinaison: +04°45'44"

Venus

Excellent
Magnitude apparente: -4.3
Constellation: Pisces
Angular diameter: 20.3"
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: 22h43m34s
Déclinaison: -08°11'53"

Mars

Excellent
Magnitude apparente: 1.2
Constellation: Aries
Angular diameter: 3.8"
Status: near western quadrature

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

Ascension droite: 01h57m35s
Déclinaison: +11°44'27"

Jupiter

Excellent
Magnitude apparente: -2.1
Constellation: Pisces
Angular diameter: 34.3"
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: 23h10m59s
Déclinaison: -06°18'33"

Saturn

Excellent
Magnitude apparente: 0.6
Constellation: Aries
Angular diameter: 16.1"
Status: near eastern quadrature

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

Ascension droite: 01h30m28s
Déclinaison: +07°03'10"

Uranus

Fair
Magnitude apparente: 5.9
Constellation: Aquarius
Angular diameter: 3.5"
Status: near eastern quadrature

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

Ascension droite: 20h59m49s
Déclinaison: -17°42'33"

Neptune

Fair
Magnitude apparente: nan
Constellation: Aquarius
Angular diameter: 2.3"
Status: near eastern quadrature

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

Ascension droite: 20h16m56s
Déclinaison: -19°21'15"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Scorpius
Angular diameter: 11593.0"
Status: Moon illumination 91.5%

Observation tip: Moon illumination 91.5%; good for observing lunar surface detail

Ascension droite: 15h49m49s
Déclinaison: -14°54'47"