December 2031 Himmelbegivenheder

Observatørens placering:Beijing (39.904°, 116.407°)

Månedlig oversigt over himmelbegivenheder

22 himmelbegivenheder i alt, inklusive 4 månefaser og 3 planetariske begivenheder.

Daglige himmelbegivenheder

Alle tider er i lokal tid (Asia/Shanghai)

Group Dato Solopgang/Solnedgang Måneopgang/Månenedgang Månefase Himmelbegivenheder

Planetary outlook

December 2031 mid-month observing conditions

Mercury

Excellent
Tilsyneladende magnitude: -0.2
Stjernebillede: Sagittarius
Angular diameter: 7.2"
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

Rektascension: 16h01m25s
Deklination: -18°02'45"

Venus

Excellent
Tilsyneladende magnitude: -4.1
Stjernebillede: Scorpius
Angular diameter: 15.3"
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

Rektascension: 14h43m30s
Deklination: -13°29'58"

Mars

Excellent
Tilsyneladende magnitude: 0.9
Stjernebillede: Aquarius
Angular diameter: 5.6"
Status: near western quadrature

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

Rektascension: 21h26m16s
Deklination: -16°24'01"

Jupiter

Excellent
Tilsyneladende magnitude: -1.9
Stjernebillede: Capricornus
Angular diameter: 32.0"
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

Rektascension: 18h28m04s
Deklination: -23°14'30"

Saturn

Excellent
Tilsyneladende magnitude: -0.5
Stjernebillede: Gemini
Angular diameter: 20.7"
Status: near western quadrature

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

Rektascension: 05h13m50s
Deklination: +21°25'51"

Uranus

Fair
Tilsyneladende magnitude: 5.5
Stjernebillede: Gemini
Angular diameter: 3.9"
Status: near eastern quadrature

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

Rektascension: 05h39m37s
Deklination: +23°30'23"

Neptune

Fair
Tilsyneladende magnitude: 7.7
Stjernebillede: Aries
Angular diameter: 2.3"
Status: near western quadrature

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

Rektascension: 00h49m43s
Deklination: +03°36'34"

Moon

Excellent
Tilsyneladende magnitude: -12.7
Stjernebillede: Capricornus
Angular diameter: 12881.4"
Status: Moon illumination 0.7%

Observation tip: Moon illumination 0.7%; good for observing lunar surface detail

Rektascension: 18h05m57s
Deklination: -19°53'51"