July 2017 Astronomické jevy

Poloha pozorovatele:Beijing (39.904°, 116.407°)

Přehled měsíčních nebeských úkazů

24 celkem nebeských úkazů, včetně 5 fáze Měsíce a 2 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

July 2017 mid-month observing conditions

Mercury

Excellent
Zdánlivá magnituda: -0.2
Souhvězdí: 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

Rektascenze: 09h12m06s
Deklinace: +17°22'47"

Venus

Excellent
Zdánlivá magnituda: -4.1
Souhvězdí: 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

Rektascenze: 04h39m26s
Deklinace: +19°48'21"

Mars

Excellent
Zdánlivá magnituda: 1.6
Souhvězdí: 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

Rektascenze: 07h54m40s
Deklinace: +21°54'30"

Jupiter

Excellent
Zdánlivá magnituda: -1.9
Souhvězdí: 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

Rektascenze: 12h57m13s
Deklinace: -04°45'36"

Saturn

Excellent
Zdánlivá magnituda: 0.2
Souhvězdí: 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

Rektascenze: 17h27m33s
Deklinace: -21°55'32"

Uranus

Fair
Zdánlivá magnituda: 5.9
Souhvězdí: Aries
Angular diameter: 3.5"
Status: near eastern quadrature

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

Rektascenze: 01h46m17s
Deklinace: +10°21'19"

Neptune

Fair
Zdánlivá magnituda: 7.7
Souhvězdí: Pisces
Angular diameter: 2.3"
Status: near eastern quadrature

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

Rektascenze: 23h02m39s
Deklinace: -07°07'18"

Moon

Excellent
Zdánlivá magnituda: -12.7
Souhvězdí: Aries
Angular diameter: 12135.7"
Status: Moon illumination 69.3%

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

Rektascenze: 00h05m06s
Deklinace: -02°45'37"