December 2040 Himmelsereignisse

Beobachterstandort:Beijing (39.904°, 116.407°)

Monatliche Himmelsereignisse

26 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 2040 mid-month observing conditions

Mercury

Excellent
Scheinbare Helligkeit: -1.3
Sternbild: Sagittarius
Angular diameter: 4.6"
Status: near greatest western elongation

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

Rektaszension: 17h33m16s
Deklination: -24°36'52"

Venus

Excellent
Scheinbare Helligkeit: -4.3
Sternbild: Aquarius
Angular diameter: 19.9"
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: 20h50m32s
Deklination: -20°00'44"

Mars

Excellent
Scheinbare Helligkeit: 1.2
Sternbild: Sagittarius
Angular diameter: 3.8"
Status: near western quadrature

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

Rektaszension: 17h35m04s
Deklination: -23°56'46"

Jupiter

Excellent
Scheinbare Helligkeit: -1.8
Sternbild: Libra
Angular diameter: 33.3"
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: 13h39m27s
Deklination: -09°03'11"

Saturn

Excellent
Scheinbare Helligkeit: 0.8
Sternbild: Libra
Angular diameter: 16.5"
Status: near eastern quadrature

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

Rektaszension: 13h26m31s
Deklination: -06°32'16"

Uranus

Fair
Scheinbare Helligkeit: 5.5
Sternbild: Leo
Angular diameter: 4.0"
Status: near eastern quadrature

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

Rektaszension: 08h40m46s
Deklination: +18°58'13"

Neptune

Fair
Scheinbare Helligkeit: 7.7
Sternbild: Taurus
Angular diameter: 2.3"
Status: near western quadrature

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

Rektaszension: 02h06m43s
Deklination: +10°55'25"

Moon

Excellent
Scheinbare Helligkeit: -12.7
Sternbild: Taurus
Angular diameter: 11975.1"
Status: Moon illumination 88.1%

Observation tip: Moon illumination 88.1%; good for observing lunar surface detail

Rektaszension: 02h44m20s
Deklination: +14°49'39"