May 1917 Eventos celestes

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

Visión xeral dos planetas

22 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 1917 mid-month observing conditions

Mercury

Fair
Magnitude aparente: 6.4
Constelación: Taurus
Angular diameter: 12.1"
Status: near superior conjunction

Observation tip: A telescope is required; Mercury stays close to the Sun; best seen at dusk or dawn

Ascensión recta: 03h36m40s
Declinación: +19°05'32"

Venus

Excellent
Magnitude aparente: -3.9
Constelación: Taurus
Angular diameter: 9.7"
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: 03h45m18s
Declinación: +19°35'00"

Mars

Excellent
Magnitude aparente: 1.3
Constelación: Taurus
Angular diameter: 3.9"
Status: near eastern quadrature

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

Ascensión recta: 02h21m13s
Declinación: +13°37'11"

Jupiter

Excellent
Magnitude aparente: -2.0
Constelación: Taurus
Angular diameter: 32.8"
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: 03h09m22s
Declinación: +16°49'00"

Saturn

Excellent
Magnitude aparente: 0.2
Constelación: Cancer
Angular diameter: 17.5"
Status: near western quadrature

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

Ascensión recta: 07h51m29s
Declinación: +21°20'14"

Uranus

Fair
Magnitude aparente: 5.9
Constelación: Aquarius
Angular diameter: 3.5"
Status: near eastern quadrature

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

Ascensión recta: 21h44m49s
Declinación: -14°19'13"

Neptune

Fair
Magnitude aparente: 7.9
Constelación: Leo
Angular diameter: 2.2"
Status: near western quadrature

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

Ascensión recta: 08h18m21s
Declinación: +19°26'29"

Moon

Excellent
Magnitude aparente: -12.7
Constelación: Pisces
Angular diameter: 12569.6"
Status: Moon illumination 39.6%

Observation tip: Moon illumination 39.6%; good for observing lunar surface detail

Ascensión recta: 22h24m14s
Declinación: -05°31'08"