December 2004 Himmelsereignisse

Beobachterstandort:Beijing (39.904°, 116.407°)

Monatliche Himmelsereignisse

23 Himmelereignisse insgesamt, einschließlich 4 Mondphasen und 2 Planetenereignisse.

Tägliche Himmelsereignisse

Alle Zeiten in Ortszeit (Asia/Shanghai)

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

Planetary outlook

December 2004 mid-month observing conditions

Mercury

Good
Scheinbare Helligkeit: 2.1
Sternbild: Sagittarius
Angular diameter: 9.5"
Status: near greatest eastern elongation

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

Rektaszension: 16h47m18s
Deklination: -19°42'16"

Venus

Excellent
Scheinbare Helligkeit: -3.9
Sternbild: Scorpius
Angular diameter: 11.3"
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

Rektaszension: 15h43m40s
Deklination: -18°21'29"

Mars

Excellent
Scheinbare Helligkeit: 1.6
Sternbild: Scorpius
Angular diameter: 4.0"
Status: near eastern quadrature

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

Rektaszension: 15h21m35s
Deklination: -18°07'59"

Jupiter

Excellent
Scheinbare Helligkeit: -1.9
Sternbild: Libra
Angular diameter: 34.3"
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: 12h58m20s
Deklination: -04°53'44"

Saturn

Excellent
Scheinbare Helligkeit: -0.2
Sternbild: Cancer
Angular diameter: 20.2"
Status: near eastern quadrature

Observation tip: Very bright, easily visible to the naked eye; Saturn’s rings require a telescope to see clearly

Rektaszension: 07h52m32s
Deklination: +20°52'47"

Uranus

Fair
Scheinbare Helligkeit: 5.9
Sternbild: Pisces
Angular diameter: 3.5"
Status: near western quadrature

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

Rektaszension: 22h22m10s
Deklination: -10°59'03"

Neptune

Fair
Scheinbare Helligkeit: 7.8
Sternbild: Aquarius
Angular diameter: 2.2"
Status: near western quadrature

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

Rektaszension: 21h03m18s
Deklination: -16°54'14"

Moon

Excellent
Scheinbare Helligkeit: -12.7
Sternbild: Aquarius
Angular diameter: 12852.9"
Status: Moon illumination 12.8%

Observation tip: Moon illumination 12.8%; good for observing lunar surface detail

Rektaszension: 20h34m15s
Deklination: -23°58'45"