April 2015 Himmelbegivenheder

Observatørens placering:Beijing (39.904°, 116.407°)

Månedlig oversigt over himmelbegivenheder

22 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 2015 mid-month observing conditions

Mercury

Excellent
Tilsyneladende magnitude: -1.8
Stjernebillede: Aries
Angular diameter: 5.2"
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: 01h52m04s
Deklination: +11°28'38"

Venus

Excellent
Tilsyneladende magnitude: -4.1
Stjernebillede: Gemini
Angular diameter: 15.0"
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: 04h06m18s
Deklination: +22°33'14"

Mars

Excellent
Tilsyneladende magnitude: 1.4
Stjernebillede: Taurus
Angular diameter: 3.9"
Status: near western quadrature

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

Rektascension: 02h32m23s
Deklination: +15°00'20"

Jupiter

Excellent
Tilsyneladende magnitude: -2.2
Stjernebillede: Leo
Angular diameter: 39.8"
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: 09h01m35s
Deklination: +17°54'57"

Saturn

Excellent
Tilsyneladende magnitude: 0.2
Stjernebillede: Sagittarius
Angular diameter: 18.1"
Status: near eastern quadrature

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

Rektascension: 16h10m17s
Deklination: -18°50'23"

Uranus

Fair
Tilsyneladende magnitude: 6.0
Stjernebillede: Aries
Angular diameter: 3.4"
Status: near eastern quadrature

Observation tip: A telescope is required; Binoculars or a telescope are recommended

Rektascension: 01h03m23s
Deklination: +06°04'44"

Neptune

Fair
Tilsyneladende magnitude: 7.8
Stjernebillede: Pisces
Angular diameter: 2.2"
Status: near eastern quadrature

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

Rektascension: 22h43m15s
Deklination: -08°54'46"

Moon

Excellent
Tilsyneladende magnitude: -12.7
Stjernebillede: Pisces
Angular diameter: 12765.8"
Status: Moon illumination 19.6%

Observation tip: Moon illumination 19.6%; good for observing lunar surface detail

Rektascension: 22h12m29s
Deklination: -07°37'45"