April 2010 Himmelbegivenheder

Observatørens placering:Beijing (39.904°, 116.407°)

Månedlig oversigt over himmelbegivenheder

20 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 2010 mid-month observing conditions

Mercury

Excellent
Tilsyneladende magnitude: 1.1
Stjernebillede: Taurus
Angular diameter: 9.1"
Status: near superior conjunction

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

Rektascension: 02h34m45s
Deklination: +18°22'05"

Venus

Excellent
Tilsyneladende magnitude: -3.9
Stjernebillede: Taurus
Angular diameter: 10.9"
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: 03h00m09s
Deklination: +17°08'44"

Mars

Excellent
Tilsyneladende magnitude: 0.4
Stjernebillede: Leo
Angular diameter: 8.2"
Status: near western quadrature

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

Rektascension: 08h38m47s
Deklination: +21°00'50"

Jupiter

Excellent
Tilsyneladende magnitude: -2.1
Stjernebillede: Pisces
Angular diameter: 34.1"
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: 23h26m20s
Deklination: -04°43'23"

Saturn

Excellent
Tilsyneladende magnitude: 0.6
Stjernebillede: Libra
Angular diameter: 19.3"
Status: near western quadrature

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

Rektascension: 12h02m13s
Deklination: +02°32'53"

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: 23h54m25s
Deklination: -01°23'24"

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: 22h01m46s
Deklination: -12°32'18"

Moon

Excellent
Tilsyneladende magnitude: -12.7
Stjernebillede: Aries
Angular diameter: 11893.4"
Status: Moon illumination 0.4%

Observation tip: Moon illumination 0.4%; good for observing lunar surface detail

Rektascension: 01h46m49s
Deklination: +16°11'48"