December 1921 வான் நிகழ்வுகள்

Observer Location:Beijing (39.904°, 116.407°)

கோள்களின் கண்ணோட்டம்

20 sky events total, including 4 moon phases and 1 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 1921 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.9
நட்சத்திர மண்டலம்: Sagittarius
Angular diameter: 4.7"
Status: near inferior conjunction

Observation tip: Very bright, easily visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Right ascension: 16h56m33s
விலக்கம்: -23°09'32"

Venus

Excellent
Apparent magnitude: -3.9
நட்சத்திர மண்டலம்: Sagittarius
Angular diameter: 10.2"
Status: near inferior 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: 16h29m40s
விலக்கம்: -21°10'25"

Mars

Excellent
Apparent magnitude: 1.5
நட்சத்திர மண்டலம்: Libra
Angular diameter: 4.9"
Status: near eastern quadrature

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

Right ascension: 13h27m52s
விலக்கம்: -07°47'23"

Jupiter

Excellent
Apparent magnitude: -1.9
நட்சத்திர மண்டலம்: Libra
Angular diameter: 34.3"
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

Right ascension: 12h57m59s
விலக்கம்: -04°51'26"

Saturn

Excellent
Apparent magnitude: 0.9
நட்சத்திர மண்டலம்: Libra
Angular diameter: 17.1"
Status: near eastern quadrature

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

Right ascension: 12h27m54s
விலக்கம்: -00°33'22"

Uranus

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

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

Right ascension: 22h32m34s
விலக்கம்: -09°59'21"

Neptune

Fair
Apparent magnitude: 7.8
நட்சத்திர மண்டலம்: Leo
Angular diameter: 2.3"
Status: near eastern quadrature

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

Right ascension: 09h13m06s
விலக்கம்: +16°12'40"

Moon

Excellent
Apparent magnitude: -12.7
நட்சத்திர மண்டலம்: Gemini
Angular diameter: 12555.3"
Status: Moon illumination 99.8%

Observation tip: Moon illumination 99.8%; good for observing lunar surface detail

Right ascension: 05h21m48s
விலக்கம்: +18°34'02"