December 1938 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 1938 mid-month observing conditions

Mercury

Fair
Tilsyneladende magnitude: 5.5
Stjernebillede: Sagittarius
Angular diameter: 9.9"
Status: near greatest eastern elongation

Observation tip: Binoculars are recommended; Mercury stays close to the Sun; best seen at dusk or dawn

Rektascension: 17h21m03s
Deklination: -21°10'43"

Venus

Excellent
Tilsyneladende magnitude: -4.9
Stjernebillede: Scorpius
Angular diameter: 48.7"
Status: near greatest eastern 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: 15h12m43s
Deklination: -15°15'29"

Mars

Excellent
Tilsyneladende magnitude: 1.6
Stjernebillede: Scorpius
Angular diameter: 4.5"
Status: near eastern quadrature

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

Rektascension: 14h00m19s
Deklination: -11°10'16"

Jupiter

Excellent
Tilsyneladende magnitude: -2.2
Stjernebillede: Aquarius
Angular diameter: 37.0"
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: 21h59m47s
Deklination: -13°21'30"

Saturn

Excellent
Tilsyneladende magnitude: 0.6
Stjernebillede: Aries
Angular diameter: 18.4"
Status: near western quadrature

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

Rektascension: 00h45m19s
Deklination: +02°04'30"

Uranus

Fair
Tilsyneladende magnitude: 5.7
Stjernebillede: Taurus
Angular diameter: 3.7"
Status: near western quadrature

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

Rektascension: 02h48m23s
Deklination: +15°49'16"

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: 11h37m13s
Deklination: +03°42'55"

Moon

Excellent
Tilsyneladende magnitude: -12.7
Stjernebillede: Libra
Angular diameter: 12241.6"
Status: Moon illumination 39.9%

Observation tip: Moon illumination 39.9%; good for observing lunar surface detail

Rektascension: 12h09m52s
Deklination: -04°57'08"