May 1987 Eventos celestes

Localización do observador:Beijing (39.904°, 116.407°)

Visión xeral dos planetas

23 eventos do ceo en total, incluíndo 4 fases da Lúa e 1 eventos planetarios.

Eventos celestes

Todas as horas están en hora local (Asia/Shanghai)

Group Data Amencer/posta de sol Saída/posta da Lúa Fase da Lúa Eventos celestes

Planetary outlook

May 1987 mid-month observing conditions

Mercury

Excellent
Magnitude aparente: -1.5
Constelación: 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

Ascensión recta: 04h01m22s
Declinación: +21°53'45"

Venus

Excellent
Magnitude aparente: -3.9
Constelación: 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

Ascensión recta: 01h42m34s
Declinación: +08°49'55"

Mars

Excellent
Magnitude aparente: 1.7
Constelación: 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

Ascensión recta: 05h42m27s
Declinación: +24°25'35"

Jupiter

Excellent
Magnitude aparente: -2.1
Constelación: 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

Ascensión recta: 01h05m24s
Declinación: +05°44'24"

Saturn

Excellent
Magnitude aparente: 0.1
Constelación: 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

Ascensión recta: 17h15m27s
Declinación: -21°25'01"

Uranus

Fair
Magnitude aparente: 5.6
Constelación: Sagittarius
Angular diameter: 3.8"
Status: near eastern quadrature

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

Ascensión recta: 17h42m23s
Declinación: -23°31'38"

Neptune

Fair
Magnitude aparente: 7.8
Constelación: Capricornus
Angular diameter: 2.3"
Status: near eastern quadrature

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

Ascensión recta: 18h33m12s
Declinación: -22°10'23"

Moon

Excellent
Magnitude aparente: -12.7
Constelación: Sagittarius
Angular diameter: 12773.7"
Status: Moon illumination 96.9%

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

Ascensión recta: 16h46m29s
Declinación: -26°58'52"