December 2011 வான் நிகழ்வுகள்

Observer Location:Beijing (39.904°, 116.407°)

கோள்களின் கண்ணோட்டம்

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

வான நிகழ்வுகள்

All times are in local time (Asia/Shanghai)

Group தேதி Sunrise/Sunset Moonrise/Moonset Moon Phase வான் நிகழ்வுகள்

Planetary outlook

December 2011 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: 0.1
நட்சத்திர மண்டலம்: 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
விலக்கம்: -18°10'05"

Venus

Excellent
Apparent magnitude: -3.9
நட்சத்திர மண்டலம்: 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
விலக்கம்: -23°13'36"

Mars

Excellent
Apparent magnitude: 0.5
நட்சத்திர மண்டலம்: 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
விலக்கம்: +08°14'51"

Jupiter

Excellent
Apparent magnitude: -2.7
நட்சத்திர மண்டலம்: 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
விலக்கம்: +10°26'14"

Saturn

Excellent
Apparent magnitude: 0.8
நட்சத்திர மண்டலம்: 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
விலக்கம்: -08°12'31"

Uranus

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

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

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

Neptune

Fair
Apparent magnitude: 7.8
நட்சத்திர மண்டலம்: 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
விலக்கம்: -12°30'45"

Moon

Excellent
Apparent magnitude: -12.7
நட்சத்திர மண்டலம்: 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
விலக்கம்: +12°07'46"