December 1928 Himmelbegivenheder

Observatørens placering:Beijing (39.904°, 116.407°)

Månedlig oversigt over himmelbegivenheder

23 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 1928 mid-month observing conditions

Mercury

Excellent
Tilsyneladende magnitude: -1.2
Stjernebillede: 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

Rektascension: 17h19m40s
Deklination: -24°13'55"

Venus

Excellent
Tilsyneladende magnitude: -4.1
Stjernebillede: Aquarius
Angular diameter: 15.4"
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

Rektascension: 20h25m28s
Deklination: -21°27'22"

Mars

Excellent
Tilsyneladende magnitude: -1.7
Stjernebillede: Cancer
Angular diameter: 16.0"
Status: near eastern quadrature

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

Rektascension: 06h09m09s
Deklination: +26°25'38"

Jupiter

Excellent
Tilsyneladende magnitude: -2.7
Stjernebillede: Aries
Angular diameter: 45.8"
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: 01h55m55s
Deklination: +10°28'20"

Saturn

Excellent
Tilsyneladende magnitude: 0.4
Stjernebillede: Sagittarius
Angular diameter: 15.1"
Status: near eastern quadrature

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

Rektascension: 17h24m12s
Deklination: -22°00'32"

Uranus

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

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

Rektascension: 00h13m53s
Deklination: +00°43'09"

Neptune

Fair
Tilsyneladende magnitude: 7.9
Stjernebillede: Virgo
Angular diameter: 2.3"
Status: near eastern quadrature

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

Rektascension: 10h14m21s
Deklination: +11°32'06"

Moon

Excellent
Tilsyneladende magnitude: -12.7
Stjernebillede: Capricornus
Angular diameter: 11561.1"
Status: Moon illumination 7.0%

Observation tip: Moon illumination 7.0%; good for observing lunar surface detail

Rektascension: 19h43m04s
Deklination: -25°34'51"