December 2091 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 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 2091 mid-month observing conditions

Mercury

Excellent
Magnitudine apparente: -0.6
Costellazione: Sagittarius
Angular diameter: 5.5"
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: 16h15m20s
Declinazione: -20°01'29"

Venus

Excellent
Magnitudine apparente: -4.0
Costellazione: Aquarius
Angular diameter: 13.4"
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: 20h05m49s
Declinazione: -22°18'20"

Mars

Excellent
Magnitudine apparente: 1.2
Costellazione: Capricornus
Angular diameter: 4.3"
Status: near western quadrature

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

Ascensione retta: 19h36m55s
Declinazione: -22°44'59"

Jupiter

Excellent
Magnitudine apparente: -2.0
Costellazione: Capricornus
Angular diameter: 33.2"
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: 19h48m19s
Declinazione: -21°28'28"

Saturn

Excellent
Magnitudine apparente: -0.4
Costellazione: Cancer
Angular diameter: 20.6"
Status: near eastern quadrature

Observation tip: Very bright, easily visible to the naked eye; Saturn’s rings require a telescope to see clearly

Ascensione retta: 06h30m48s
Declinazione: +22°20'11"

Uranus

Fair
Magnitudine apparente: 5.9
Costellazione: Pisces
Angular diameter: 3.5"
Status: near western quadrature

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

Ascensione retta: 23h10m04s
Declinazione: -06°10'57"

Neptune

Fair
Magnitudine apparente: 7.8
Costellazione: Virgo
Angular diameter: 2.3"
Status: near eastern quadrature

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

Ascensione retta: 10h07m54s
Declinazione: +12°00'21"

Moon

Excellent
Magnitudine apparente: -12.7
Costellazione: Aquarius
Angular diameter: 12158.9"
Status: Moon illumination 23.8%

Observation tip: Moon illumination 23.8%; good for observing lunar surface detail

Ascensione retta: 21h34m57s
Declinazione: -14°00'35"