April 1931 Gökyüzü Olayları

Observer Location:Beijing (39.904°, 116.407°)

Gezegenlere Genel Bakış

26 sky events total, including 4 moon phases and 3 planetary events.

Gökyüzü Olayları

All times are in local time (Asia/Shanghai)

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

Planetary outlook

April 1931 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: 0.8
Takımyıldız: Taurus
Angular diameter: 8.8"
Status: near superior conjunction

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

Right ascension: 02h35m13s
Gerilim: +18°22'29"

Venus

Excellent
Apparent magnitude: -4.0
Takımyıldız: Pisces
Angular diameter: 13.9"
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: 23h13m12s
Gerilim: -06°16'53"

Mars

Excellent
Apparent magnitude: 0.5
Takımyıldız: Leo
Angular diameter: 8.1"
Status: near western quadrature

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

Right ascension: 08h29m46s
Gerilim: +21°32'45"

Jupiter

Excellent
Apparent magnitude: -2.1
Takımyıldız: Cancer
Angular diameter: 37.0"
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: 06h55m31s
Gerilim: +23°08'42"

Saturn

Excellent
Apparent magnitude: 0.5
Takımyıldız: Capricornus
Angular diameter: 16.7"
Status: near eastern quadrature

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

Right ascension: 19h39m07s
Gerilim: -21°14'19"

Uranus

Fair
Apparent magnitude: 6.0
Takımyıldız: Aries
Angular diameter: 3.4"
Status: near eastern quadrature

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

Right ascension: 00h59m19s
Gerilim: +05°39'25"

Neptune

Fair
Apparent magnitude: 7.9
Takımyıldız: Virgo
Angular diameter: 2.3"
Status: near western quadrature

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

Right ascension: 10h21m44s
Gerilim: +11°00'19"

Moon

Excellent
Apparent magnitude: -12.7
Takımyıldız: Pisces
Angular diameter: 11468.7"
Status: Moon illumination 8.3%

Observation tip: Moon illumination 8.3%; good for observing lunar surface detail

Right ascension: 23h29m20s
Gerilim: -05°37'43"