April 2011 Astronomické jevy

Poloha pozorovatele:Beijing (39.904°, 116.407°)

Přehled měsíčních nebeských úkazů

19 celkem nebeských úkazů, včetně 4 fáze Měsíce a 3 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 2011 mid-month observing conditions

Mercury

Fair
Zdánlivá magnituda: 4.1
Souhvězdí: Aries
Angular diameter: 11.6"
Status: near greatest eastern elongation

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

Rektascenze: 00h56m27s
Deklinace: +07°13'27"

Venus

Excellent
Zdánlivá magnituda: -3.9
Souhvězdí: Pisces
Angular diameter: 12.4"
Status: near inferior conjunction

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

Rektascenze: 23h34m47s
Deklinace: -04°13'35"

Mars

Excellent
Zdánlivá magnituda: 1.2
Souhvězdí: Aries
Angular diameter: 4.0"
Status: near eastern quadrature

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

Rektascenze: 00h37m50s
Deklinace: +03°09'17"

Jupiter

Excellent
Zdánlivá magnituda: -2.1
Souhvězdí: Aries
Angular diameter: 33.2"
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: 01h09m50s
Deklinace: +06°14'48"

Saturn

Excellent
Zdánlivá magnituda: 0.4
Souhvězdí: 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

Rektascenze: 12h52m13s
Deklinace: -02°37'42"

Uranus

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

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

Rektascenze: 00h08m08s
Deklinace: +00°06'41"

Neptune

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

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

Rektascenze: 22h10m09s
Deklinace: -11°50'28"

Moon

Excellent
Zdánlivá magnituda: -12.7
Souhvězdí: Virgo
Angular diameter: 12833.0"
Status: Moon illumination 85.8%

Observation tip: Moon illumination 85.8%; good for observing lunar surface detail

Rektascenze: 10h41m00s
Deklinace: +03°02'44"