April 2013 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 2013 mid-month observing conditions

Mercury

Excellent
Tilsyneladende magnitude: -0.0
Stjernebillede: Aries
Angular diameter: 6.2"
Status: near inferior conjunction

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

Rektascension: 00h08m57s
Deklination: -01°51'38"

Venus

Excellent
Tilsyneladende magnitude: -3.9
Stjernebillede: Aries
Angular diameter: 9.7"
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: 01h51m31s
Deklination: +10°27'26"

Mars

Excellent
Tilsyneladende magnitude: 1.1
Stjernebillede: Aries
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: 01h36m34s
Deklination: +09°35'32"

Jupiter

Excellent
Tilsyneladende magnitude: -2.0
Stjernebillede: Gemini
Angular diameter: 34.6"
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: 04h52m09s
Deklination: +22°09'44"

Saturn

Excellent
Tilsyneladende magnitude: 0.2
Stjernebillede: Scorpius
Angular diameter: 18.8"
Status: near eastern quadrature

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

Rektascension: 14h30m45s
Deklination: -12°01'17"

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: 00h35m46s
Deklination: +03°07'38"

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: 22h26m51s
Deklination: -10°23'48"

Moon

Excellent
Tilsyneladende magnitude: -12.7
Stjernebillede: Gemini
Angular diameter: 11504.5"
Status: Moon illumination 19.0%

Observation tip: Moon illumination 19.0%; good for observing lunar surface detail

Rektascension: 05h03m39s
Deklination: +20°09'59"