April 2012 Astronomické jevy

Poloha pozorovatele:Beijing (39.904°, 116.407°)

Přehled měsíčních nebeských úkazů

16 celkem nebeských úkazů, včetně 4 fáze Měsíce a 2 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 2012 mid-month observing conditions

Mercury

Excellent
Zdánlivá magnituda: 0.6
Souhvězdí: Pisces
Angular diameter: 8.4"
Status: near greatest eastern elongation

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

Rektascenze: 23h57m04s
Deklinace: -02°26'24"

Venus

Excellent
Zdánlivá magnituda: -4.6
Souhvězdí: Gemini
Angular diameter: 29.6"
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

Rektascenze: 04h29m43s
Deklinace: +26°10'47"

Mars

Excellent
Zdánlivá magnituda: -0.4
Souhvězdí: Virgo
Angular diameter: 11.3"
Status: near western quadrature

Observation tip: Very bright, easily visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

Rektascenze: 10h26m24s
Deklinace: +12°41'02"

Jupiter

Excellent
Zdánlivá magnituda: -2.0
Souhvězdí: Taurus
Angular diameter: 33.3"
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

Rektascenze: 02h57m00s
Deklinace: +15°57'07"

Saturn

Excellent
Zdánlivá magnituda: 0.3
Souhvězdí: Libra
Angular diameter: 19.1"
Status: near eastern quadrature

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

Rektascenze: 13h41m23s
Deklinace: -07°32'39"

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: 00h22m03s
Deklinace: +01°37'59"

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: 22h18m35s
Deklinace: -11°07'16"

Moon

Excellent
Zdánlivá magnituda: -12.7
Souhvězdí: Aquarius
Angular diameter: 11992.6"
Status: Moon illumination 34.0%

Observation tip: Moon illumination 34.0%; good for observing lunar surface detail

Rektascenze: 21h01m15s
Deklinace: -11°56'10"