December 1984 Eventi celesti

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

Panoramica degli eventi celesti mensili

24 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

December 1984 mid-month observing conditions

Mercury

Fair
Magnitudine apparente: 5.9
Costellazione: Sagittarius
Angular diameter: 9.9"
Status: near greatest eastern elongation

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

Ascensione retta: 17h26m41s
Declinazione: -21°17'25"

Venus

Excellent
Magnitudine apparente: -4.2
Costellazione: Aquarius
Angular diameter: 17.3"
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: 20h39m24s
Declinazione: -20°41'57"

Mars

Excellent
Magnitudine apparente: 0.8
Costellazione: Aquarius
Angular diameter: 5.8"
Status: near western quadrature

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

Ascensione retta: 21h39m41s
Declinazione: -15°17'02"

Jupiter

Excellent
Magnitudine apparente: -1.9
Costellazione: Capricornus
Angular diameter: 32.6"
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: 19h16m20s
Declinazione: -22°30'44"

Saturn

Excellent
Magnitudine apparente: 0.6
Costellazione: Scorpius
Angular diameter: 15.5"
Status: near eastern quadrature

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

Ascensione retta: 15h24m30s
Declinazione: -16°32'17"

Uranus

Fair
Magnitudine apparente: 5.7
Costellazione: Sagittarius
Angular diameter: 3.5"
Status: near eastern quadrature

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

Ascensione retta: 16h52m07s
Declinazione: -22°31'29"

Neptune

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

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

Ascensione retta: 18h03m38s
Declinazione: -22°19'29"

Moon

Excellent
Magnitudine apparente: -12.7
Costellazione: Virgo
Angular diameter: 12504.4"
Status: Moon illumination 57.4%

Observation tip: Moon illumination 57.4%; good for observing lunar surface detail

Ascensione retta: 11h11m50s
Declinazione: +10°35'06"