December 2091 Himmelsereignisse

Beobachterstandort:Beijing (39.904°, 116.407°)

Monatliche Himmelsereignisse

24 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 2091 mid-month observing conditions

Mercury

Excellent
Scheinbare Helligkeit: -0.6
Sternbild: Sagittarius
Angular diameter: 5.5"
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: 16h15m20s
Deklination: -20°01'29"

Venus

Excellent
Scheinbare Helligkeit: -4.0
Sternbild: Aquarius
Angular diameter: 13.4"
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: 20h05m49s
Deklination: -22°18'20"

Mars

Excellent
Scheinbare Helligkeit: 1.2
Sternbild: Capricornus
Angular diameter: 4.3"
Status: near western quadrature

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

Rektaszension: 19h36m55s
Deklination: -22°44'59"

Jupiter

Excellent
Scheinbare Helligkeit: -2.0
Sternbild: Capricornus
Angular diameter: 33.2"
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: 19h48m19s
Deklination: -21°28'28"

Saturn

Excellent
Scheinbare Helligkeit: -0.4
Sternbild: Cancer
Angular diameter: 20.6"
Status: near eastern quadrature

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

Rektaszension: 06h30m48s
Deklination: +22°20'11"

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: 23h10m04s
Deklination: -06°10'57"

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: 10h07m54s
Deklination: +12°00'21"

Moon

Excellent
Scheinbare Helligkeit: -12.7
Sternbild: Aquarius
Angular diameter: 12158.9"
Status: Moon illumination 23.8%

Observation tip: Moon illumination 23.8%; good for observing lunar surface detail

Rektaszension: 21h34m57s
Deklination: -14°00'35"