December 2008 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 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 2008 mid-month observing conditions

Mercury

Excellent
Magnitudine apparente: -0.8
Costellazione: Capricornus
Angular diameter: 4.9"
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: 18h17m51s
Declinazione: -25°29'39"

Venus

Excellent
Magnitudine apparente: -4.2
Costellazione: Aquarius
Angular diameter: 18.3"
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: 20h44m37s
Declinazione: -20°23'20"

Mars

Excellent
Magnitudine apparente: 1.2
Costellazione: Sagittarius
Angular diameter: 3.8"
Status: near eastern quadrature

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

Ascensione retta: 17h19m56s
Declinazione: -23°40'09"

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: 19h48m32s
Declinazione: -21°29'46"

Saturn

Excellent
Magnitudine apparente: 0.9
Costellazione: Virgo
Angular diameter: 17.9"
Status: near eastern quadrature

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

Ascensione retta: 11h31m55s
Declinazione: +05°10'42"

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: 23h20m15s
Declinazione: -05°06'26"

Neptune

Fair
Magnitudine apparente: 7.8
Costellazione: Aquarius
Angular diameter: 2.2"
Status: near western quadrature

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

Ascensione retta: 21h37m50s
Declinazione: -14°31'02"

Moon

Excellent
Magnitudine apparente: -12.7
Costellazione: Cancer
Angular diameter: 12894.2"
Status: Moon illumination 92.1%

Observation tip: Moon illumination 92.1%; good for observing lunar surface detail

Ascensione retta: 07h53m14s
Declinazione: +22°10'23"