February 1981 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

February 1981 mid-month observing conditions

Mercury

Good
Magnitude apparente: 3.9
Constellation: Pisces
Angular diameter: 10.1"
Status: near superior conjunction

Observation tip: Binoculars are recommended; Mercury stays close to the Sun; best seen at dusk or dawn

Ascension droite: 22h08m37s
Déclinaison: -07°41'09"

Venus

Excellent
Magnitude apparente: -3.9
Constellation: Aquarius
Angular diameter: 10.1"
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: 21h04m46s
Déclinaison: -17°41'45"

Mars

Excellent
Magnitude apparente: 1.1
Constellation: Pisces
Angular diameter: 4.0"
Status: near western quadrature

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

Ascension droite: 22h33m59s
Déclinaison: -10°06'07"

Jupiter

Excellent
Magnitude apparente: -2.3
Constellation: Libra
Angular diameter: 42.1"
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: 12h37m56s
Déclinaison: -02°27'11"

Saturn

Excellent
Magnitude apparente: 0.6
Constellation: Libra
Angular diameter: 18.9"
Status: near eastern quadrature

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

Ascension droite: 12h37m35s
Déclinaison: -01°16'02"

Uranus

Fair
Magnitude apparente: 5.6
Constellation: Scorpius
Angular diameter: 3.7"
Status: near eastern quadrature

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

Ascension droite: 15h51m19s
Déclinaison: -19°55'22"

Neptune

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

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

Ascension droite: 17h35m53s
Déclinaison: -22°00'35"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Cancer
Angular diameter: 12299.5"
Status: Moon illumination 83.4%

Observation tip: Moon illumination 83.4%; good for observing lunar surface detail

Ascension droite: 06h34m35s
Déclinaison: +20°20'15"