April 2004 Astronomické jevy

Poloha pozorovatele:Beijing (39.904°, 116.407°)

Přehled měsíčních nebeských úkazů

24 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 2004 mid-month observing conditions

Mercury

Fair
Zdánlivá magnituda: 5.7
Souhvězdí: Aries
Angular diameter: 11.4"
Status: near superior conjunction

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

Rektascenze: 01h43m38s
Deklinace: +13°12'59"

Venus

Excellent
Zdánlivá magnituda: -4.6
Souhvězdí: Gemini
Angular diameter: 28.6"
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: 04h31m06s
Deklinace: +26°06'05"

Mars

Excellent
Zdánlivá magnituda: 1.5
Souhvězdí: Gemini
Angular diameter: 4.6"
Status: near western quadrature

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

Rektascenze: 04h57m40s
Deklinace: +23°51'50"

Jupiter

Excellent
Zdánlivá magnituda: -2.3
Souhvězdí: Virgo
Angular diameter: 42.1"
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: 10h46m30s
Deklinace: +09°16'50"

Saturn

Excellent
Zdánlivá magnituda: 0.1
Souhvězdí: Cancer
Angular diameter: 17.9"
Status: near western quadrature

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

Rektascenze: 06h33m02s
Deklinace: +22°48'11"

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: 22h30m30s
Deklinace: -10°09'43"

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: 21h10m20s
Deklinace: -16°20'56"

Moon

Excellent
Zdánlivá magnituda: -12.7
Souhvězdí: Pisces
Angular diameter: 12168.8"
Status: Moon illumination 20.7%

Observation tip: Moon illumination 20.7%; good for observing lunar surface detail

Rektascenze: 22h21m10s
Deklinace: -15°34'23"