April 2009 Astronomické jevy

Poloha pozorovatele:Beijing (39.904°, 116.407°)

Přehled měsíčních nebeských úkazů

20 celkem nebeských úkazů, včetně 4 fáze Měsíce a 1 planetární jevy.

Denní nebeské úkazy

Všechny časy jsou v místním čase (Asia/Shanghai)

Group Datum Východ/západ Slunce Východ/západ Měsíce Fáze Měsíce Astronomické jevy

Planetary outlook

April 2009 mid-month observing conditions

Mercury

Excellent
Zdánlivá magnituda: -1.0
Souhvězdí: Taurus
Angular diameter: 6.0"
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

Rektascenze: 02h30m02s
Deklinace: +16°21'14"

Venus

Excellent
Zdánlivá magnituda: -4.6
Souhvězdí: Pisces
Angular diameter: 50.7"
Status: near greatest eastern elongation

Observation tip: Very bright, easily visible to the naked eye; Venus is the brightest planet and is best seen at dusk or dawn

Rektascenze: 23h49m57s
Deklinace: +04°10'05"

Mars

Excellent
Zdánlivá magnituda: 1.2
Souhvězdí: Pisces
Angular diameter: 4.4"
Status: near eastern quadrature

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

Rektascenze: 23h40m15s
Deklinace: -03°24'21"

Jupiter

Excellent
Zdánlivá magnituda: -2.1
Souhvězdí: Aquarius
Angular diameter: 36.2"
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

Rektascenze: 21h36m35s
Deklinace: -14°54'19"

Saturn

Excellent
Zdánlivá magnituda: 0.6
Souhvězdí: Virgo
Angular diameter: 19.3"
Status: near western quadrature

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

Rektascenze: 11h11m08s
Deklinace: +07°41'03"

Uranus

Fair
Zdánlivá magnituda: 6.0
Souhvězdí: Pisces
Angular diameter: 3.4"
Status: near eastern quadrature

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

Rektascenze: 23h40m40s
Deklinace: -02°53'15"

Neptune

Fair
Zdánlivá magnituda: 7.8
Souhvězdí: Aquarius
Angular diameter: 2.2"
Status: near eastern quadrature

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

Rektascenze: 21h53m20s
Deklinace: -13°13'11"

Moon

Excellent
Zdánlivá magnituda: -12.7
Souhvězdí: Sagittarius
Angular diameter: 11544.1"
Status: Moon illumination 73.4%

Observation tip: Moon illumination 73.4%; good for observing lunar surface detail

Rektascenze: 17h47m54s
Deklinace: -26°32'11"