April 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 3 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

April 1981 mid-month observing conditions

Mercury

Excellent
Magnitudine apparente: -0.8
Costellazione: Aries
Angular diameter: 5.2"
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

Ascensione retta: 00h46m22s
Declinazione: +02°47'47"

Venus

Excellent
Magnitudine apparente: -3.9
Costellazione: Aries
Angular diameter: 9.7"
Status: near greatest western elongation

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: 01h41m21s
Declinazione: +09°23'52"

Mars

Excellent
Magnitudine apparente: 1.1
Costellazione: Aries
Angular diameter: 3.9"
Status: near eastern quadrature

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

Ascensione retta: 01h22m59s
Declinazione: +08°09'49"

Jupiter

Excellent
Magnitudine apparente: -2.4
Costellazione: Libra
Angular diameter: 43.7"
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

Ascensione retta: 12h13m41s
Declinazione: +00°14'08"

Saturn

Excellent
Magnitudine apparente: 0.5
Costellazione: Libra
Angular diameter: 19.3"
Status: near western quadrature

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

Ascensione retta: 12h22m35s
Declinazione: +00°26'20"

Uranus

Fair
Magnitudine apparente: 5.5
Costellazione: Scorpius
Angular diameter: 3.9"
Status: near eastern quadrature

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

Ascensione retta: 15h49m03s
Declinazione: -19°48'17"

Neptune

Fair
Magnitudine apparente: 7.9
Costellazione: Sagittarius
Angular diameter: 2.3"
Status: near eastern quadrature

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

Ascensione retta: 17h37m24s
Declinazione: -21°59'18"

Moon

Excellent
Magnitudine apparente: -12.7
Costellazione: Virgo
Angular diameter: 11748.7"
Status: Moon illumination 83.4%

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

Ascensione retta: 10h37m40s
Declinazione: +11°17'44"