April 2004 Himmelbegivenheder

Observatørens placering:Beijing (39.904°, 116.407°)

Månedlig oversigt over himmelbegivenheder

24 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

April 2004 mid-month observing conditions

Mercury

Fair
Tilsyneladende magnitude: 5.7
Stjernebillede: Aries
Angular diameter: 11.4"
Status: near superior conjunction

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

Rektascension: 01h43m38s
Deklination: +13°12'59"

Venus

Excellent
Tilsyneladende magnitude: -4.6
Stjernebillede: Gemini
Angular diameter: 28.6"
Status: near superior 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: 04h31m06s
Deklination: +26°06'05"

Mars

Excellent
Tilsyneladende magnitude: 1.5
Stjernebillede: Gemini
Angular diameter: 4.6"
Status: near western quadrature

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

Rektascension: 04h57m40s
Deklination: +23°51'50"

Jupiter

Excellent
Tilsyneladende magnitude: -2.3
Stjernebillede: Virgo
Angular diameter: 42.1"
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: 10h46m30s
Deklination: +09°16'50"

Saturn

Excellent
Tilsyneladende magnitude: 0.1
Stjernebillede: Cancer
Angular diameter: 17.9"
Status: near western quadrature

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

Rektascension: 06h33m02s
Deklination: +22°48'11"

Uranus

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

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

Rektascension: 22h30m30s
Deklination: -10°09'43"

Neptune

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

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

Rektascension: 21h10m20s
Deklination: -16°20'56"

Moon

Excellent
Tilsyneladende magnitude: -12.7
Stjernebillede: Pisces
Angular diameter: 12168.8"
Status: Moon illumination 20.7%

Observation tip: Moon illumination 20.7%; good for observing lunar surface detail

Rektascension: 22h21m10s
Deklination: -15°34'23"