May 1987 Astronomické jevy

Poloha pozorovatele:Beijing (39.904°, 116.407°)

Přehled měsíčních nebeských úkazů

23 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

May 1987 mid-month observing conditions

Mercury

Excellent
Zdánlivá magnituda: -1.5
Souhvězdí: Gemini
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: 04h01m22s
Deklinace: +21°53'45"

Venus

Excellent
Zdánlivá magnituda: -3.9
Souhvězdí: Aries
Angular diameter: 11.3"
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: 01h42m34s
Deklinace: +08°49'55"

Mars

Excellent
Zdánlivá magnituda: 1.7
Souhvězdí: Gemini
Angular diameter: 4.0"
Status: near western quadrature

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

Rektascenze: 05h42m27s
Deklinace: +24°25'35"

Jupiter

Excellent
Zdánlivá magnituda: -2.1
Souhvězdí: Aries
Angular diameter: 34.4"
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: 01h05m24s
Deklinace: +05°44'24"

Saturn

Excellent
Zdánlivá magnituda: 0.1
Souhvězdí: Sagittarius
Angular diameter: 18.2"
Status: near eastern quadrature

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

Rektascenze: 17h15m27s
Deklinace: -21°25'01"

Uranus

Fair
Zdánlivá magnituda: 5.6
Souhvězdí: Sagittarius
Angular diameter: 3.8"
Status: near eastern quadrature

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

Rektascenze: 17h42m23s
Deklinace: -23°31'38"

Neptune

Fair
Zdánlivá magnituda: 7.8
Souhvězdí: Capricornus
Angular diameter: 2.3"
Status: near eastern quadrature

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

Rektascenze: 18h33m12s
Deklinace: -22°10'23"

Moon

Excellent
Zdánlivá magnituda: -12.7
Souhvězdí: Sagittarius
Angular diameter: 12773.7"
Status: Moon illumination 96.9%

Observation tip: Moon illumination 96.9%; good for observing lunar surface detail

Rektascenze: 16h46m29s
Deklinace: -26°58'52"