December 1939 Himmelsereignisse

Beobachterstandort:Beijing (39.904°, 116.407°)

Monatliche Himmelsereignisse

21 Himmelereignisse insgesamt, einschließlich 4 Mondphasen und 1 Planetenereignisse.

Tägliche Himmelsereignisse

Alle Zeiten in Ortszeit (Asia/Shanghai)

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

Planetary outlook

December 1939 mid-month observing conditions

Mercury

Excellent
Scheinbare Helligkeit: -0.3
Sternbild: Scorpius
Angular diameter: 6.9"
Status: near greatest eastern elongation

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

Rektaszension: 15h57m23s
Deklination: -17°58'58"

Venus

Excellent
Scheinbare Helligkeit: -3.9
Sternbild: Capricornus
Angular diameter: 11.2"
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: 19h15m21s
Deklination: -23°50'44"

Mars

Excellent
Scheinbare Helligkeit: 0.2
Sternbild: Pisces
Angular diameter: 8.2"
Status: near western quadrature

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

Rektaszension: 23h11m35s
Deklination: -06°02'01"

Jupiter

Excellent
Scheinbare Helligkeit: -2.5
Sternbild: Aries
Angular diameter: 41.7"
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: 00h00m34s
Deklination: -01°25'53"

Saturn

Excellent
Scheinbare Helligkeit: 0.3
Sternbild: Aries
Angular diameter: 19.1"
Status: near western quadrature

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

Rektaszension: 01h34m55s
Deklination: +07°04'26"

Uranus

Fair
Scheinbare Helligkeit: 5.7
Sternbild: Taurus
Angular diameter: 3.8"
Status: near western quadrature

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

Rektaszension: 03h05m27s
Deklination: +17°05'26"

Neptune

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

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

Rektaszension: 11h45m15s
Deklination: +02°54'06"

Moon

Excellent
Scheinbare Helligkeit: -12.7
Sternbild: Aquarius
Angular diameter: 11620.7"
Status: Moon illumination 16.6%

Observation tip: Moon illumination 16.6%; good for observing lunar surface detail

Rektaszension: 20h43m44s
Deklination: -12°58'37"