December 1981 Eventi celesti

Posizione dell'osservatore:Beijing (39.904°, 116.407°)

Panoramica degli eventi celesti mensili

22 eventi celesti in totale, inclusi 4 fasi lunari e 2 eventi planetari.

Eventi celesti giornalieri

Tutti gli orari sono in ora locale (Asia/Shanghai)

Group Data Alba/Tramonto Sorgere/Tramontare della Luna Fase lunare Eventi celesti

Planetary outlook

December 1981 mid-month observing conditions

Mercury

Excellent
Magnitudine apparente: -1.1
Costellazione: Sagittarius
Angular diameter: 4.7"
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

Ascensione retta: 17h39m34s
Declinazione: -24°52'43"

Venus

Excellent
Magnitudine apparente: -4.9
Costellazione: Aquarius
Angular diameter: 39.8"
Status: near superior conjunction

Observation tip: Very bright, easily visible to the naked eye; Venus is the brightest planet and is best seen at dusk or dawn

Ascensione retta: 20h26m10s
Declinazione: -20°51'29"

Mars

Excellent
Magnitudine apparente: 1.0
Costellazione: Libra
Angular diameter: 6.4"
Status: near eastern quadrature

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

Ascensione retta: 12h01m36s
Declinazione: +02°07'14"

Jupiter

Excellent
Magnitudine apparente: -1.8
Costellazione: Scorpius
Angular diameter: 32.7"
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

Ascensione retta: 14h06m02s
Declinazione: -11°33'28"

Saturn

Excellent
Magnitudine apparente: 0.8
Costellazione: Libra
Angular diameter: 16.5"
Status: near eastern quadrature

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

Ascensione retta: 13h18m43s
Declinazione: -05°45'52"

Uranus

Fair
Magnitudine apparente: 5.7
Costellazione: Scorpius
Angular diameter: 3.6"
Status: near eastern quadrature

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

Ascensione retta: 15h58m41s
Declinazione: -20°20'40"

Neptune

Fair
Magnitudine apparente: 8.0
Costellazione: Sagittarius
Angular diameter: 2.2"
Status: near western quadrature

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

Ascensione retta: 17h36m18s
Declinazione: -22°04'20"

Moon

Excellent
Magnitudine apparente: -12.7
Costellazione: Leo
Angular diameter: 12545.2"
Status: Moon illumination 82.2%

Observation tip: Moon illumination 82.2%; good for observing lunar surface detail

Ascensione retta: 09h04m01s
Declinazione: +18°39'22"