December 1968 Himmelbegivenheder

Observatørens placering:Beijing (39.904°, 116.407°)

Månedlig oversigt over himmelbegivenheder

23 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 1968 mid-month observing conditions

Mercury

Excellent
Tilsyneladende magnitude: -1.0
Stjernebillede: Sagittarius
Angular diameter: 4.7"
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: 17h48m53s
Deklination: -25°07'05"

Venus

Excellent
Tilsyneladende magnitude: -4.1
Stjernebillede: Aquarius
Angular diameter: 16.7"
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

Rektascension: 20h35m41s
Deklination: -20°54'44"

Mars

Excellent
Tilsyneladende magnitude: 1.5
Stjernebillede: Libra
Angular diameter: 5.0"
Status: near eastern quadrature

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

Rektascension: 13h21m06s
Deklination: -07°02'01"

Jupiter

Excellent
Tilsyneladende magnitude: -1.9
Stjernebillede: Libra
Angular diameter: 35.6"
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: 12h16m43s
Deklination: -00°28'13"

Saturn

Excellent
Tilsyneladende magnitude: 0.4
Stjernebillede: Aries
Angular diameter: 18.8"
Status: near western quadrature

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

Rektascension: 01h13m07s
Deklination: +04°55'02"

Uranus

Fair
Tilsyneladende magnitude: 5.5
Stjernebillede: Libra
Angular diameter: 3.8"
Status: near eastern quadrature

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

Rektascension: 12h14m51s
Deklination: -00°48'37"

Neptune

Fair
Tilsyneladende magnitude: 8.0
Stjernebillede: Scorpius
Angular diameter: 2.2"
Status: near eastern quadrature

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

Rektascension: 15h41m22s
Deklination: -17°55'29"

Moon

Excellent
Tilsyneladende magnitude: -12.7
Stjernebillede: Libra
Angular diameter: 12457.7"
Status: Moon illumination 29.5%

Observation tip: Moon illumination 29.5%; good for observing lunar surface detail

Rektascension: 13h02m40s
Deklination: -07°44'03"