April 1957 Himmelsereignisse

Beobachterstandort:Beijing (39.904°, 116.407°)

Monatliche Himmelsereignisse

22 Himmelereignisse insgesamt, einschließlich 4 Mondphasen und 3 Planetenereignisse.

Tägliche Himmelsereignisse

Alle Zeiten in Ortszeit (Asia/Shanghai)

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

Planetary outlook

April 1957 mid-month observing conditions

Mercury

Excellent
Scheinbare Helligkeit: -0.0
Sternbild: Taurus
Angular diameter: 7.7"
Status: near greatest western elongation

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

Rektaszension: 02h44m01s
Deklination: +18°44'03"

Venus

Excellent
Scheinbare Helligkeit: -3.9
Sternbild: Aries
Angular diameter: 9.7"
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: 01h33m48s
Deklination: +08°35'55"

Mars

Excellent
Scheinbare Helligkeit: 1.5
Sternbild: Gemini
Angular diameter: 4.7"
Status: near western quadrature

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

Rektaszension: 05h05m51s
Deklination: +24°07'50"

Jupiter

Excellent
Scheinbare Helligkeit: -2.4
Sternbild: Virgo
Angular diameter: 43.2"
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

Rektaszension: 11h38m43s
Deklination: +03°58'07"

Saturn

Excellent
Scheinbare Helligkeit: 0.3
Sternbild: Sagittarius
Angular diameter: 17.8"
Status: near eastern quadrature

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

Rektaszension: 16h51m08s
Deklination: -20°38'27"

Uranus

Fair
Scheinbare Helligkeit: 5.5
Sternbild: Leo
Angular diameter: 3.8"
Status: near western quadrature

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

Rektaszension: 08h21m14s
Deklination: +20°07'10"

Neptune

Fair
Scheinbare Helligkeit: 7.9
Sternbild: Libra
Angular diameter: 2.3"
Status: near eastern quadrature

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

Rektaszension: 13h59m36s
Deklination: -10°16'29"

Moon

Excellent
Scheinbare Helligkeit: -12.7
Sternbild: Libra
Angular diameter: 12580.0"
Status: Moon illumination 99.7%

Observation tip: Moon illumination 99.7%; good for observing lunar surface detail

Rektaszension: 13h54m22s
Deklination: -13°29'32"