October 1990 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 1990 mid-month observing conditions

Mercury

Excellent
Zdánlivá magnituda: -1.3
Souhvězdí: Libra
Angular diameter: 4.9"
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: 13h02m03s
Deklinace: -05°04'45"

Venus

Excellent
Zdánlivá magnituda: -3.9
Souhvězdí: Libra
Angular diameter: 9.8"
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: 13h04m07s
Deklinace: -05°24'50"

Mars

Excellent
Zdánlivá magnituda: -1.2
Souhvězdí: Gemini
Angular diameter: 15.2"
Status: near eastern quadrature

Observation tip: Very bright, easily visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

Rektascenze: 04h52m16s
Deklinace: +21°53'19"

Jupiter

Excellent
Zdánlivá magnituda: -2.0
Souhvězdí: Leo
Angular diameter: 35.9"
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: 08h51m40s
Deklinace: +18°03'08"

Saturn

Excellent
Zdánlivá magnituda: 0.5
Souhvězdí: Capricornus
Angular diameter: 16.6"
Status: near western quadrature

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

Rektascenze: 19h22m43s
Deklinace: -22°08'06"

Uranus

Fair
Zdánlivá magnituda: 5.7
Souhvězdí: Capricornus
Angular diameter: 3.6"
Status: near western quadrature

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

Rektascenze: 18h26m09s
Deklinace: -23°37'36"

Neptune

Fair
Zdánlivá magnituda: 7.9
Souhvězdí: Capricornus
Angular diameter: 2.2"
Status: near western quadrature

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

Rektascenze: 18h51m31s
Deklinace: -22°05'08"

Moon

Excellent
Zdánlivá magnituda: -12.7
Souhvězdí: Virgo
Angular diameter: 11995.6"
Status: Moon illumination 13.2%

Observation tip: Moon illumination 13.2%; good for observing lunar surface detail

Rektascenze: 10h38m07s
Deklinace: +05°31'40"