December 2018 Eventi celesti

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

Panoramica degli eventi celesti mensili

19 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 2018 mid-month observing conditions

Mercury

Excellent
Magnitudine apparente: -0.3
Costellazione: Sagittarius
Angular diameter: 6.7"
Status: near greatest eastern 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: 16h00m44s
Declinazione: -18°16'18"

Venus

Excellent
Magnitudine apparente: -4.8
Costellazione: Scorpius
Angular diameter: 32.9"
Status: near greatest eastern 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: 14h27m23s
Declinazione: -11°35'54"

Mars

Excellent
Magnitudine apparente: 0.2
Costellazione: Pisces
Angular diameter: 8.4"
Status: near western quadrature

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

Ascensione retta: 23h19m13s
Declinazione: -05°10'43"

Jupiter

Excellent
Magnitudine apparente: -1.8
Costellazione: Sagittarius
Angular diameter: 31.3"
Status: near eastern 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: 16h25m48s
Declinazione: -21°01'27"

Saturn

Excellent
Magnitudine apparente: 0.6
Costellazione: Capricornus
Angular diameter: 15.1"
Status: near western quadrature

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

Ascensione retta: 18h40m42s
Declinazione: -22°35'58"

Uranus

Fair
Magnitudine apparente: 5.8
Costellazione: Aries
Angular diameter: 3.7"
Status: near western quadrature

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

Ascensione retta: 01h47m56s
Declinazione: +10°32'48"

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: 23h01m50s
Declinazione: -07°16'08"

Moon

Excellent
Magnitudine apparente: -12.7
Costellazione: Pisces
Angular diameter: 11588.3"
Status: Moon illumination 45.4%

Observation tip: Moon illumination 45.4%; good for observing lunar surface detail

Ascensione retta: 23h20m22s
Declinazione: -08°38'05"