September 1917 Gökyüzü Olayları

Observer Location:Beijing (39.904°, 116.407°)

Gezegenlere Genel Bakış

24 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

September 1917 mid-month observing conditions

Mercury

Good
Apparent magnitude: 3.5
Takımyıldız: Virgo
Angular diameter: 10.4"
Status: near superior conjunction

Observation tip: Binoculars are recommended; Mercury stays close to the Sun; best seen at dusk or dawn

Right ascension: 11h52m08s
Gerilim: -03°23'00"

Venus

Excellent
Apparent magnitude: -3.9
Takımyıldız: Libra
Angular diameter: 13.7"
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

Right ascension: 13h44m14s
Gerilim: -11°05'00"

Mars

Excellent
Apparent magnitude: 1.5
Takımyıldız: Leo
Angular diameter: 4.6"
Status: near eastern quadrature

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

Right ascension: 08h16m15s
Gerilim: +20°47'02"

Jupiter

Excellent
Apparent magnitude: -2.4
Takımyıldız: Gemini
Angular diameter: 41.6"
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: 04h38m43s
Gerilim: +21°14'23"

Saturn

Excellent
Apparent magnitude: 0.4
Takımyıldız: Leo
Angular diameter: 16.9"
Status: near eastern quadrature

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

Right ascension: 08h51m09s
Gerilim: +18°11'52"

Uranus

Fair
Apparent magnitude: 5.8
Takımyıldız: Aquarius
Angular diameter: 3.7"
Status: near western quadrature

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

Right ascension: 21h32m56s
Gerilim: -15°20'47"

Neptune

Fair
Apparent magnitude: 7.9
Takımyıldız: Leo
Angular diameter: 2.2"
Status: near eastern quadrature

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

Right ascension: 08h34m25s
Gerilim: +18°32'21"

Moon

Excellent
Apparent magnitude: -12.7
Takımyıldız: Virgo
Angular diameter: 11449.3"
Status: Moon illumination 2.0%

Observation tip: Moon illumination 2.0%; good for observing lunar surface detail

Right ascension: 10h24m28s
Gerilim: +05°23'18"