April 1921 வான் நிகழ்வுகள்

Observer Location:Beijing (39.904°, 116.407°)

கோள்களின் கண்ணோட்டம்

16 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

April 1921 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.1
நட்சத்திர மண்டலம்: Aries
Angular diameter: 6.1"
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: 00h09m10s
விலக்கம்: -01°49'32"

Venus

Excellent
Apparent magnitude: -4.1
நட்சத்திர மண்டலம்: Taurus
Angular diameter: 56.7"
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: 02h07m26s
விலக்கம்: +20°16'47"

Mars

Excellent
Apparent magnitude: 1.5
நட்சத்திர மண்டலம்: Taurus
Angular diameter: 3.9"
Status: near western quadrature

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

Right ascension: 02h50m06s
விலக்கம்: +16°32'39"

Jupiter

Excellent
Apparent magnitude: -2.3
நட்சத்திர மண்டலம்: Virgo
Angular diameter: 42.2"
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: 10h46m48s
விலக்கம்: +09°16'20"

Saturn

Excellent
Apparent magnitude: 0.7
நட்சத்திர மண்டலம்: Virgo
Angular diameter: 19.3"
Status: near western quadrature

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

Right ascension: 11h23m24s
விலக்கம்: +06°30'21"

Uranus

Fair
Apparent magnitude: 6.0
நட்சத்திர மண்டலம்: Pisces
Angular diameter: 3.4"
Status: near eastern quadrature

Observation tip: A telescope is required; Binoculars or a telescope are recommended

Right ascension: 22h40m38s
விலக்கம்: -09°10'22"

Neptune

Fair
Apparent magnitude: 7.9
நட்சத்திர மண்டலம்: Leo
Angular diameter: 2.3"
Status: near western quadrature

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

Right ascension: 08h53m47s
விலக்கம்: +17°32'23"

Moon

Excellent
Apparent magnitude: -12.7
நட்சத்திர மண்டலம்: Cancer
Angular diameter: 12563.2"
Status: Moon illumination 45.2%

Observation tip: Moon illumination 45.2%; good for observing lunar surface detail

Right ascension: 07h18m42s
விலக்கம்: +16°56'15"