December 2099 Himmelsereignisse

Beobachterstandort:Beijing (39.904°, 116.407°)

Monatliche Himmelsereignisse

24 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 2099 mid-month observing conditions

Mercury

Excellent
Scheinbare Helligkeit: -1.2
Sternbild: Sagittarius
Angular diameter: 4.6"
Status: near inferior conjunction

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

Rektaszension: 17h20m12s
Deklination: -24°07'25"

Venus

Excellent
Scheinbare Helligkeit: -4.0
Sternbild: Aquarius
Angular diameter: 13.6"
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: 20h08m18s
Deklination: -22°12'22"

Mars

Excellent
Scheinbare Helligkeit: -0.8
Sternbild: Aries
Angular diameter: 12.9"
Status: near western quadrature

Observation tip: Very bright, easily visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

Rektaszension: 01h26m14s
Deklination: +09°37'22"

Jupiter

Excellent
Scheinbare Helligkeit: -1.8
Sternbild: Libra
Angular diameter: 34.0"
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: 13h12m14s
Deklination: -06°20'04"

Saturn

Excellent
Scheinbare Helligkeit: 0.8
Sternbild: Libra
Angular diameter: 16.4"
Status: near eastern quadrature

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

Rektaszension: 13h34m01s
Deklination: -07°16'27"

Uranus

Fair
Scheinbare Helligkeit: 5.8
Sternbild: Aries
Angular diameter: 3.6"
Status: near western quadrature

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

Rektaszension: 01h06m35s
Deklination: +06°23'06"

Neptune

Fair
Scheinbare Helligkeit: 7.8
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: 11h14m52s
Deklination: +05°52'45"

Moon

Excellent
Scheinbare Helligkeit: -12.7
Sternbild: Aquarius
Angular diameter: 12027.0"
Status: Moon illumination 10.8%

Observation tip: Moon illumination 10.8%; good for observing lunar surface detail

Rektaszension: 20h18m31s
Deklination: -23°34'56"