April 1940 Himmelsereignisse

Beobachterstandort:Beijing (39.904°, 116.407°)

Monatliche Himmelsereignisse

24 Himmelereignisse insgesamt, einschließlich 4 Mondphasen und 4 Planetenereignisse.

Tägliche Himmelsereignisse

Alle Zeiten in Ortszeit (Asia/Shanghai)

Group Datum Sonnenaufgang/-untergang Mondaufgang/-untergang Mondphase Himmelsereignisse

Planetary outlook

April 1940 mid-month observing conditions

Mercury

Excellent
Scheinbare Helligkeit: 0.4
Sternbild: Pisces
Angular diameter: 7.4"
Status: near inferior conjunction

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

Rektaszension: 23h54m29s
Deklination: -03°11'41"

Venus

Excellent
Scheinbare Helligkeit: -4.4
Sternbild: Gemini
Angular diameter: 22.8"
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

Rektaszension: 04h33m28s
Deklination: +25°17'42"

Mars

Excellent
Scheinbare Helligkeit: 1.6
Sternbild: Gemini
Angular diameter: 4.4"
Status: near western quadrature

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

Rektaszension: 04h27m23s
Deklination: +22°43'41"

Jupiter

Excellent
Scheinbare Helligkeit: -2.1
Sternbild: Aries
Angular diameter: 33.1"
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

Rektaszension: 01h25m09s
Deklination: +07°48'10"

Saturn

Excellent
Scheinbare Helligkeit: 0.4
Sternbild: Taurus
Angular diameter: 16.2"
Status: near western quadrature

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

Rektaszension: 02h06m43s
Deklination: +10°29'10"

Uranus

Fair
Scheinbare Helligkeit: 5.9
Sternbild: Taurus
Angular diameter: 3.4"
Status: near western quadrature

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

Rektaszension: 03h12m12s
Deklination: +17°35'16"

Neptune

Fair
Scheinbare Helligkeit: 7.9
Sternbild: Virgo
Angular diameter: 2.3"
Status: near western quadrature

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

Rektaszension: 11h37m30s
Deklination: +03°47'44"

Moon

Excellent
Scheinbare Helligkeit: -12.7
Sternbild: Cancer
Angular diameter: 12250.5"
Status: Moon illumination 43.9%

Observation tip: Moon illumination 43.9%; good for observing lunar surface detail

Rektaszension: 07h13m38s
Deklination: +17°01'53"