October 1990 Gökyüzü Olayları

Observer Location:Beijing (39.904°, 116.407°)

Gezegenlere Genel Bakış

20 sky events total, including 4 moon phases and 1 planetary events.

Gökyüzü Olayları

All times are in local time (Asia/Shanghai)

Group Tarih Sunrise/Sunset Moonrise/Moonset Moon Phase Gökyüzü Olayları

Planetary outlook

October 1990 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -1.3
Takımyıldız: 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

Right ascension: 13h02m03s
Gerilim: -05°04'45"

Venus

Excellent
Apparent magnitude: -3.9
Takımyıldız: 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

Right ascension: 13h04m07s
Gerilim: -05°24'50"

Mars

Excellent
Apparent magnitude: -1.2
Takımyıldız: 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

Right ascension: 04h52m16s
Gerilim: +21°53'19"

Jupiter

Excellent
Apparent magnitude: -2.0
Takımyıldız: 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

Right ascension: 08h51m40s
Gerilim: +18°03'08"

Saturn

Excellent
Apparent magnitude: 0.5
Takımyıldız: 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

Right ascension: 19h22m43s
Gerilim: -22°08'06"

Uranus

Fair
Apparent magnitude: 5.7
Takımyıldız: Capricornus
Angular diameter: 3.6"
Status: near western quadrature

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

Right ascension: 18h26m09s
Gerilim: -23°37'36"

Neptune

Fair
Apparent magnitude: 7.9
Takımyıldız: Capricornus
Angular diameter: 2.2"
Status: near western quadrature

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

Right ascension: 18h51m31s
Gerilim: -22°05'08"

Moon

Excellent
Apparent magnitude: -12.7
Takımyıldız: Virgo
Angular diameter: 11995.6"
Status: Moon illumination 13.2%

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

Right ascension: 10h38m07s
Gerilim: +05°31'40"