May 1990 Gökyüzü Olayları

Observer Location:Beijing (39.904°, 116.407°)

Gezegenlere Genel Bakış

23 sky events total, including 5 moon phases and 2 planetary events.

Gökyüzü Olayları

All times are in local time (Asia/Shanghai)

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

Planetary outlook

May 1990 mid-month observing conditions

Mercury

Good
Apparent magnitude: 2.5
Takımyıldız: Taurus
Angular diameter: 11.3"
Status: near greatest eastern elongation

Observation tip: Visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Right ascension: 02h26m02s
Gerilim: +11°54'41"

Venus

Excellent
Apparent magnitude: -4.1
Takımyıldız: Aries
Angular diameter: 16.1"
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: 00h47m50s
Gerilim: +03°12'01"

Mars

Excellent
Apparent magnitude: 0.7
Takımyıldız: Pisces
Angular diameter: 6.4"
Status: near eastern quadrature

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

Right ascension: 23h18m25s
Gerilim: -06°20'48"

Jupiter

Excellent
Apparent magnitude: -1.9
Takımyıldız: Cancer
Angular diameter: 33.7"
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

Right ascension: 06h41m09s
Gerilim: +23°14'49"

Saturn

Excellent
Apparent magnitude: 0.4
Takımyıldız: Capricornus
Angular diameter: 17.5"
Status: near eastern quadrature

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

Right ascension: 19h48m44s
Gerilim: -20°56'03"

Uranus

Fair
Apparent magnitude: 5.6
Takımyıldız: Capricornus
Angular diameter: 3.8"
Status: near eastern quadrature

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

Right ascension: 18h40m07s
Gerilim: -23°26'13"

Neptune

Fair
Apparent magnitude: 7.8
Takımyıldız: Capricornus
Angular diameter: 2.3"
Status: near eastern quadrature

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

Right ascension: 19h01m57s
Gerilim: -21°48'02"

Moon

Excellent
Apparent magnitude: -12.7
Takımyıldız: Capricornus
Angular diameter: 11707.7"
Status: Moon illumination 77.2%

Observation tip: Moon illumination 77.2%; good for observing lunar surface detail

Right ascension: 19h31m59s
Gerilim: -23°26'49"