December 2011 Gökyüzü Olayları

Observer Location:Beijing (39.904°, 116.407°)

Gezegenlere Genel Bakış

16 sky events total, including 4 moon phases and 2 planetary events.

Gökyüzü Olayları

All times are in local time (Asia/Shanghai)

Group Tarih Sunrise/Sunset Moonrise/Moonset Moon Phase Gökyüzü Olayları

Planetary outlook

December 2011 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: 0.1
Takımyıldız: Sagittarius
Angular diameter: 8.1"
Status: near greatest eastern elongation

Observation tip: Visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Right ascension: 16h09m55s
Gerilim: -18°10'05"

Venus

Excellent
Apparent magnitude: -3.9
Takımyıldız: Capricornus
Angular diameter: 12.1"
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

Right ascension: 19h40m04s
Gerilim: -23°13'36"

Mars

Excellent
Apparent magnitude: 0.5
Takımyıldız: Virgo
Angular diameter: 7.8"
Status: near eastern quadrature

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

Right ascension: 11h08m21s
Gerilim: +08°14'51"

Jupiter

Excellent
Apparent magnitude: -2.7
Takımyıldız: Aries
Angular diameter: 45.8"
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

Right ascension: 01h55m42s
Gerilim: +10°26'14"

Saturn

Excellent
Apparent magnitude: 0.8
Takımyıldız: Libra
Angular diameter: 16.3"
Status: near eastern quadrature

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

Right ascension: 13h43m43s
Gerilim: -08°12'31"

Uranus

Fair
Apparent magnitude: 5.9
Takımyıldız: Aries
Angular diameter: 3.5"
Status: near western quadrature

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

Right ascension: 00h03m33s
Gerilim: -00°24'53"

Neptune

Fair
Apparent magnitude: 7.8
Takımyıldız: Pisces
Angular diameter: 2.2"
Status: near western quadrature

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

Right ascension: 22h03m20s
Gerilim: -12°30'45"

Moon

Excellent
Apparent magnitude: -12.7
Takımyıldız: Leo
Angular diameter: 12149.2"
Status: Moon illumination 81.0%

Observation tip: Moon illumination 81.0%; good for observing lunar surface detail

Right ascension: 09h01m52s
Gerilim: +12°07'46"