December 2021 வான் நிகழ்வுகள்

Observer Location:Beijing (39.904°, 116.407°)

கோள்களின் கண்ணோட்டம்

22 sky events total, including 4 moon phases and 0 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 2021 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.9
நட்சத்திர மண்டலம்: Capricornus
Angular diameter: 4.8"
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

Right ascension: 18h08m44s
விலக்கம்: -25°25'37"

Venus

Excellent
Apparent magnitude: -4.9
நட்சத்திர மண்டலம்: Capricornus
Angular diameter: 48.7"
Status: near superior conjunction

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: 19h53m15s
விலக்கம்: -21°58'43"

Mars

Excellent
Apparent magnitude: 1.6
நட்சத்திர மண்டலம்: Scorpius
Angular diameter: 3.9"
Status: near eastern quadrature

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

Right ascension: 15h55m56s
விலக்கம்: -20°19'57"

Jupiter

Excellent
Apparent magnitude: -2.2
நட்சத்திர மண்டலம்: Pisces
Angular diameter: 36.9"
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: 22h00m06s
விலக்கம்: -13°18'29"

Saturn

Excellent
Apparent magnitude: 0.7
நட்சத்திர மண்டலம்: Aquarius
Angular diameter: 15.7"
Status: near western quadrature

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

Right ascension: 20h51m25s
விலக்கம்: -18°28'44"

Uranus

Fair
Apparent magnitude: 5.7
நட்சத்திர மண்டலம்: Taurus
Angular diameter: 3.7"
Status: near western quadrature

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

Right ascension: 02h36m04s
விலக்கம்: +14°49'59"

Neptune

Fair
Apparent magnitude: 7.8
நட்சத்திர மண்டலம்: Pisces
Angular diameter: 2.3"
Status: near western quadrature

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

Right ascension: 23h26m43s
விலக்கம்: -04°49'57"

Moon

Excellent
Apparent magnitude: -12.7
நட்சத்திர மண்டலம்: Taurus
Angular diameter: 11549.2"
Status: Moon illumination 85.2%

Observation tip: Moon illumination 85.2%; good for observing lunar surface detail

Right ascension: 02h24m59s
விலக்கம்: +12°07'45"