April 1939 Himmelbegivenheder

Observatørens placering:Beijing (39.904°, 116.407°)

Månedlig oversigt over himmelbegivenheder

19 himmelbegivenheder i alt, inklusive 4 månefaser og 2 planetariske begivenheder.

Daglige himmelbegivenheder

Alle tider er i lokal tid (Asia/Shanghai)

Group Dato Solopgang/Solnedgang Måneopgang/Månenedgang Månefase Himmelbegivenheder

Planetary outlook

April 1939 mid-month observing conditions

Mercury

Excellent
Tilsyneladende magnitude: 1.9
Stjernebillede: Aries
Angular diameter: 10.7"
Status: near greatest eastern elongation

Observation tip: Visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Rektascension: 00h21m34s
Deklination: +02°07'07"

Venus

Excellent
Tilsyneladende magnitude: -4.0
Stjernebillede: Pisces
Angular diameter: 13.7"
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: 23h15m18s
Deklination: -06°05'20"

Mars

Excellent
Tilsyneladende magnitude: -0.1
Stjernebillede: Capricornus
Angular diameter: 9.7"
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: 18h57m39s
Deklination: -23°28'18"

Jupiter

Excellent
Tilsyneladende magnitude: -2.1
Stjernebillede: Pisces
Angular diameter: 33.9"
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: 23h40m58s
Deklination: -03°11'37"

Saturn

Excellent
Tilsyneladende magnitude: 0.6
Stjernebillede: Aries
Angular diameter: 16.0"
Status: near eastern quadrature

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

Rektascension: 01h22m32s
Deklination: +06°16'14"

Uranus

Fair
Tilsyneladende magnitude: 5.9
Stjernebillede: Taurus
Angular diameter: 3.4"
Status: near western quadrature

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

Rektascension: 02h56m18s
Deklination: +16°26'48"

Neptune

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

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

Rektascension: 11h29m16s
Deklination: +04°37'24"

Moon

Excellent
Tilsyneladende magnitude: -12.7
Stjernebillede: Pisces
Angular diameter: 11542.2"
Status: Moon illumination 20.6%

Observation tip: Moon illumination 20.6%; good for observing lunar surface detail

Rektascension: 22h03m12s
Deklination: -06°44'24"