February 1987 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

February 1987 mid-month observing conditions

Mercury

Excellent
Magnitude apparente: -0.0
Constellation: Pisces
Angular diameter: 7.7"
Status: near superior conjunction

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

Ascension droite: 22h56m15s
Déclinaison: -05°05'45"

Venus

Excellent
Magnitude apparente: -4.2
Constellation: Capricornus
Angular diameter: 18.5"
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: 18h47m37s
Déclinaison: -20°54'38"

Mars

Excellent
Magnitude apparente: 1.1
Constellation: Aries
Angular diameter: 5.5"
Status: near western quadrature

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

Ascension droite: 01h36m24s
Déclinaison: +10°23'26"

Jupiter

Excellent
Magnitude apparente: -2.1
Constellation: Pisces
Angular diameter: 34.1"
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: 23h48m21s
Déclinaison: -02°28'05"

Saturn

Excellent
Magnitude apparente: 0.5
Constellation: Sagittarius
Angular diameter: 16.0"
Status: near eastern quadrature

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

Ascension droite: 17h15m10s
Déclinaison: -21°31'23"

Uranus

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

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

Ascension droite: 17h41m54s
Déclinaison: -23°30'02"

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: 18h31m12s
Déclinaison: -22°13'59"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Virgo
Angular diameter: 11764.1"
Status: Moon illumination 98.7%

Observation tip: Moon illumination 98.7%; good for observing lunar surface detail

Ascension droite: 10h45m08s
Déclinaison: +10°59'45"