May 1981 Eventos celestes

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

Visión xeral dos planetas

21 eventos do ceo en total, incluíndo 4 fases da Lúa e 2 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 1981 mid-month observing conditions

Mercury

Excellent
Magnitude aparente: -0.7
Constelación: Gemini
Angular diameter: 6.2"
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: 04h41m49s
Declinación: +24°26'20"

Venus

Excellent
Magnitude aparente: -3.9
Constelación: Gemini
Angular diameter: 9.8"
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

Ascensión recta: 04h07m36s
Declinación: +20°57'46"

Mars

Excellent
Magnitude aparente: 1.3
Constelación: Taurus
Angular diameter: 3.8"
Status: near eastern quadrature

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

Ascensión recta: 02h48m54s
Declinación: +16°01'09"

Jupiter

Excellent
Magnitude aparente: -2.3
Constelación: Libra
Angular diameter: 41.2"
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

Ascensión recta: 12h04m53s
Declinación: +01°05'22"

Saturn

Excellent
Magnitude aparente: 0.7
Constelación: Libra
Angular diameter: 18.7"
Status: near western quadrature

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

Ascensión recta: 12h16m27s
Declinación: +01°01'34"

Uranus

Fair
Magnitude aparente: 5.5
Constelación: Scorpius
Angular diameter: 4.0"
Status: near eastern quadrature

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

Ascensión recta: 15h44m20s
Declinación: -19°33'32"

Neptune

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

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

Ascensión recta: 17h35m15s
Declinación: -21°57'18"

Moon

Excellent
Magnitude aparente: -12.7
Constelación: Libra
Angular diameter: 11531.3"
Status: Moon illumination 86.1%

Observation tip: Moon illumination 86.1%; good for observing lunar surface detail

Ascensión recta: 12h45m07s
Declinación: +00°08'04"