October 1917 Astronomické jevy

Poloha pozorovatele:Beijing (39.904°, 116.407°)

Přehled měsíčních nebeských úkazů

20 celkem nebeských úkazů, včetně 4 fáze Měsíce a 1 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 1917 mid-month observing conditions

Mercury

Excellent
Zdánlivá magnituda: -1.1
Souhvězdí: Libra
Angular diameter: 5.5"
Status: near inferior conjunction

Observation tip: Very bright, easily visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Rektascenze: 12h31m03s
Deklinace: -01°13'34"

Venus

Excellent
Zdánlivá magnituda: -4.1
Souhvězdí: Sagittarius
Angular diameter: 16.5"
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

Rektascenze: 16h04m18s
Deklinace: -22°50'08"

Mars

Excellent
Zdánlivá magnituda: 1.3
Souhvězdí: Leo
Angular diameter: 5.1"
Status: near eastern quadrature

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

Rektascenze: 09h29m53s
Deklinace: +16°15'12"

Jupiter

Excellent
Zdánlivá magnituda: -2.7
Souhvězdí: Gemini
Angular diameter: 45.5"
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

Rektascenze: 04h39m00s
Deklinace: +21°13'06"

Saturn

Excellent
Zdánlivá magnituda: 0.4
Souhvězdí: Leo
Angular diameter: 17.6"
Status: near eastern quadrature

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

Rektascenze: 09h02m19s
Deklinace: +17°30'02"

Uranus

Fair
Zdánlivá magnituda: 5.8
Souhvězdí: Aquarius
Angular diameter: 3.6"
Status: near western quadrature

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

Rektascenze: 21h30m11s
Deklinace: -15°33'22"

Neptune

Fair
Zdánlivá magnituda: 7.9
Souhvězdí: Leo
Angular diameter: 2.3"
Status: near eastern quadrature

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

Rektascenze: 08h37m04s
Deklinace: +18°22'46"

Moon

Excellent
Zdánlivá magnituda: -12.7
Souhvězdí: Libra
Angular diameter: 11574.9"
Status: Moon illumination 1.4%

Observation tip: Moon illumination 1.4%; good for observing lunar surface detail

Rektascenze: 12h23m34s
Deklinace: -07°59'43"