April 2002 Astronomické jevy

Poloha pozorovatele:Beijing (39.904°, 116.407°)

Přehled měsíčních nebeských úkazů

22 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 2002 mid-month observing conditions

Mercury

Excellent
Zdánlivá magnituda: -1.6
Souhvězdí: Taurus
Angular diameter: 5.3"
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: 02h03m40s
Deklinace: +12°58'49"

Venus

Excellent
Zdánlivá magnituda: -3.9
Souhvězdí: Taurus
Angular diameter: 10.8"
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

Rektascenze: 02h57m33s
Deklinace: +16°55'10"

Mars

Excellent
Zdánlivá magnituda: 1.5
Souhvězdí: Taurus
Angular diameter: 4.2"
Status: near western quadrature

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

Rektascenze: 03h54m15s
Deklinace: +21°01'25"

Jupiter

Excellent
Zdánlivá magnituda: -2.1
Souhvězdí: Cancer
Angular diameter: 36.5"
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: 06h37m36s
Deklinace: +23°20'59"

Saturn

Excellent
Zdánlivá magnituda: 0.1
Souhvězdí: Gemini
Angular diameter: 17.1"
Status: near western quadrature

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

Rektascenze: 04h41m43s
Deklinace: +20°48'16"

Uranus

Fair
Zdánlivá magnituda: 5.9
Souhvězdí: Pisces
Angular diameter: 3.4"
Status: near eastern quadrature

Observation tip: Binoculars are recommended; Binoculars or a telescope are recommended

Rektascenze: 22h01m15s
Deklinace: -12°52'42"

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: 20h52m44s
Deklinace: -17°27'02"

Moon

Excellent
Zdánlivá magnituda: -12.7
Souhvězdí: Taurus
Angular diameter: 11663.2"
Status: Moon illumination 4.5%

Observation tip: Moon illumination 4.5%; good for observing lunar surface detail

Rektascenze: 03h10m06s
Deklinace: +15°06'06"