October 2017 Astronomické jevy

Poloha pozorovatele:Beijing (39.904°, 116.407°)

Přehled měsíčních nebeských úkazů

23 celkem nebeských úkazů, včetně 4 fáze Měsíce a 3 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

October 2017 mid-month observing conditions

Mercury

Excellent
Zdánlivá magnituda: -1.2
Souhvězdí: Libra
Angular diameter: 4.7"
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: 13h37m43s
Deklinace: -09°39'50"

Venus

Excellent
Zdánlivá magnituda: -3.9
Souhvězdí: Libra
Angular diameter: 10.8"
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: 12h05m01s
Deklinace: +01°06'03"

Mars

Excellent
Zdánlivá magnituda: 1.8
Souhvězdí: Virgo
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

Rektascenze: 11h43m48s
Deklinace: +03°01'05"

Jupiter

Excellent
Zdánlivá magnituda: -1.7
Souhvězdí: Libra
Angular diameter: 30.7"
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: 13h56m46s
Deklinace: -10°50'44"

Saturn

Excellent
Zdánlivá magnituda: 0.5
Souhvězdí: Sagittarius
Angular diameter: 15.8"
Status: near western quadrature

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

Rektascenze: 17h30m28s
Deklinace: -22°13'46"

Uranus

Fair
Zdánlivá magnituda: 5.7
Souhvězdí: Aries
Angular diameter: 3.7"
Status: near eastern quadrature

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

Rektascenze: 01h40m01s
Deklinace: +09°44'24"

Neptune

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

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

Rektascenze: 22h54m32s
Deklinace: -07°58'42"

Moon

Excellent
Zdánlivá magnituda: -12.7
Souhvězdí: Leo
Angular diameter: 12319.0"
Status: Moon illumination 23.7%

Observation tip: Moon illumination 23.7%; good for observing lunar surface detail

Rektascenze: 09h43m55s
Deklinace: +13°43'42"