March 1990 Événements célestes

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

Aperçu des événements célestes mensuels

24 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

March 1990 mid-month observing conditions

Mercury

Excellent
Magnitude apparente: -1.5
Constellation: Pisces
Angular diameter: 4.9"
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: 23h27m04s
Déclinaison: -05°31'23"

Venus

Excellent
Magnitude apparente: -4.7
Constellation: Aquarius
Angular diameter: 29.7"
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: 20h41m00s
Déclinaison: -14°55'01"

Mars

Excellent
Magnitude apparente: 1.1
Constellation: Aquarius
Angular diameter: 5.1"
Status: near eastern quadrature

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

Ascension droite: 20h19m54s
Déclinaison: -20°32'05"

Jupiter

Excellent
Magnitude apparente: -2.3
Constellation: Cancer
Angular diameter: 39.8"
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: 06h05m53s
Déclinaison: +23°28'54"

Saturn

Excellent
Magnitude apparente: 0.6
Constellation: Capricornus
Angular diameter: 15.9"
Status: near eastern quadrature

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

Ascension droite: 19h40m24s
Déclinaison: -21°13'01"

Uranus

Fair
Magnitude apparente: 5.7
Constellation: Capricornus
Angular diameter: 3.6"
Status: near eastern quadrature

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

Ascension droite: 18h40m09s
Déclinaison: -23°24'45"

Neptune

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

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

Ascension droite: 19h01m38s
Déclinaison: -21°49'38"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Libra
Angular diameter: 11507.9"
Status: Moon illumination 88.4%

Observation tip: Moon illumination 88.4%; good for observing lunar surface detail

Ascension droite: 13h58m59s
Déclinaison: -17°31'16"