December 2087 Himmelbegivenheder

Observatørens placering:Beijing (39.904°, 116.407°)

Månedlig oversigt over himmelbegivenheder

17 himmelbegivenheder i alt, inklusive 4 månefaser og 1 planetariske begivenheder.

Daglige himmelbegivenheder

Alle tider er i lokal tid (Asia/Shanghai)

Group Dato Solopgang/Solnedgang Måneopgang/Månenedgang Månefase Himmelbegivenheder

Planetary outlook

December 2087 mid-month observing conditions

Mercury

Excellent
Tilsyneladende magnitude: -0.7
Stjernebillede: Capricornus
Angular diameter: 5.0"
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

Rektascension: 18h19m04s
Deklination: -25°29'06"

Venus

Excellent
Tilsyneladende magnitude: -4.0
Stjernebillede: Scorpius
Angular diameter: 13.9"
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: 14h58m19s
Deklination: -14°47'54"

Mars

Excellent
Tilsyneladende magnitude: 1.2
Stjernebillede: Sagittarius
Angular diameter: 3.8"
Status: near eastern quadrature

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

Rektascension: 17h23m39s
Deklination: -23°43'38"

Jupiter

Excellent
Tilsyneladende magnitude: -1.9
Stjernebillede: 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

Rektascension: 12h58m23s
Deklination: -04°54'11"

Saturn

Excellent
Tilsyneladende magnitude: 0.1
Stjernebillede: Taurus
Angular diameter: 19.6"
Status: near western quadrature

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

Rektascension: 02h23m09s
Deklination: +11°30'04"

Uranus

Fair
Tilsyneladende magnitude: 5.9
Stjernebillede: Pisces
Angular diameter: 3.5"
Status: near western quadrature

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

Rektascension: 22h11m43s
Deklination: -11°57'03"

Neptune

Fair
Tilsyneladende magnitude: 7.7
Stjernebillede: Leo
Angular diameter: 2.3"
Status: near eastern quadrature

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

Rektascension: 09h33m04s
Deklination: +14°44'24"

Moon

Excellent
Tilsyneladende magnitude: -12.7
Stjernebillede: Virgo
Angular diameter: 12197.7"
Status: Moon illumination 68.7%

Observation tip: Moon illumination 68.7%; good for observing lunar surface detail

Rektascension: 10h05m57s
Deklination: +06°20'47"