July 2017 Eventos celestes

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

Visión xeral dos planetas

24 eventos do ceo en total, incluíndo 5 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

July 2017 mid-month observing conditions

Mercury

Excellent
Magnitude aparente: -0.2
Constelación: Leo
Angular diameter: 6.1"
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: 09h12m06s
Declinación: +17°22'47"

Venus

Excellent
Magnitude aparente: -4.1
Constelación: Gemini
Angular diameter: 16.3"
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: 04h39m26s
Declinación: +19°48'21"

Mars

Excellent
Magnitude aparente: 1.6
Constelación: Cancer
Angular diameter: 3.5"
Status: near western quadrature

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

Ascensión recta: 07h54m40s
Declinación: +21°54'30"

Jupiter

Excellent
Magnitude aparente: -1.9
Constelación: Libra
Angular diameter: 35.9"
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: 12h57m13s
Declinación: -04°45'36"

Saturn

Excellent
Magnitude aparente: 0.2
Constelación: Sagittarius
Angular diameter: 18.1"
Status: near western quadrature

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

Ascensión recta: 17h27m33s
Declinación: -21°55'32"

Uranus

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

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

Ascensión recta: 01h46m17s
Declinación: +10°21'19"

Neptune

Fair
Magnitude aparente: 7.7
Constelación: Pisces
Angular diameter: 2.3"
Status: near eastern quadrature

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

Ascensión recta: 23h02m39s
Declinación: -07°07'18"

Moon

Excellent
Magnitude aparente: -12.7
Constelación: Aries
Angular diameter: 12135.7"
Status: Moon illumination 69.3%

Observation tip: Moon illumination 69.3%; good for observing lunar surface detail

Ascensión recta: 00h05m06s
Declinación: -02°45'37"