December 2020 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 1 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 2020 mid-month observing conditions

Mercury

Excellent
Magnitudine apparente: -1.1
Costellazione: Sagittarius
Angular diameter: 4.7"
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: 17h18m46s
Declinazione: -24°05'38"

Venus

Excellent
Magnitudine apparente: -3.9
Costellazione: Scorpius
Angular diameter: 11.2"
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

Ascensione retta: 15h48m55s
Declinazione: -18°42'17"

Mars

Excellent
Magnitudine apparente: -0.7
Costellazione: Aries
Angular diameter: 12.5"
Status: near western quadrature

Observation tip: Very bright, easily visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

Ascensione retta: 01h16m16s
Declinazione: +08°33'00"

Jupiter

Excellent
Magnitudine apparente: -2.0
Costellazione: Aquarius
Angular diameter: 33.6"
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: 20h05m02s
Declinazione: -20°49'03"

Saturn

Excellent
Magnitudine apparente: 0.7
Costellazione: Aquarius
Angular diameter: 15.4"
Status: near western quadrature

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

Ascensione retta: 20h08m05s
Declinazione: -20°33'40"

Uranus

Fair
Magnitudine apparente: 5.7
Costellazione: Taurus
Angular diameter: 3.7"
Status: near western quadrature

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

Ascensione retta: 02h19m40s
Declinazione: +13°27'05"

Neptune

Fair
Magnitudine apparente: 7.8
Costellazione: Pisces
Angular diameter: 2.3"
Status: near western quadrature

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

Ascensione retta: 23h18m26s
Declinazione: -05°39'12"

Moon

Excellent
Magnitudine apparente: -12.7
Costellazione: Sagittarius
Angular diameter: 12731.9"
Status: Moon illumination 0.1%

Observation tip: Moon illumination 0.1%; good for observing lunar surface detail

Ascensione retta: 17h50m30s
Declinazione: -24°08'50"