February 1987 Gökyüzü Olayları

Observer Location:Beijing (39.904°, 116.407°)

Gezegenlere Genel Bakış

20 sky events total, including 4 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

February 1987 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.0
Takımyıldız: Pisces
Angular diameter: 7.7"
Status: near superior conjunction

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

Right ascension: 22h56m15s
Gerilim: -05°05'45"

Venus

Excellent
Apparent magnitude: -4.2
Takımyıldız: Capricornus
Angular diameter: 18.5"
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: 18h47m37s
Gerilim: -20°54'38"

Mars

Excellent
Apparent magnitude: 1.1
Takımyıldız: Aries
Angular diameter: 5.5"
Status: near western quadrature

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

Right ascension: 01h36m24s
Gerilim: +10°23'26"

Jupiter

Excellent
Apparent magnitude: -2.1
Takımyıldız: Pisces
Angular diameter: 34.1"
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: 23h48m21s
Gerilim: -02°28'05"

Saturn

Excellent
Apparent magnitude: 0.5
Takımyıldız: Sagittarius
Angular diameter: 16.0"
Status: near eastern quadrature

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

Right ascension: 17h15m10s
Gerilim: -21°31'23"

Uranus

Fair
Apparent magnitude: 5.7
Takımyıldız: Sagittarius
Angular diameter: 3.6"
Status: near eastern quadrature

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

Right ascension: 17h41m54s
Gerilim: -23°30'02"

Neptune

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

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

Right ascension: 18h31m12s
Gerilim: -22°13'59"

Moon

Excellent
Apparent magnitude: -12.7
Takımyıldız: Virgo
Angular diameter: 11764.1"
Status: Moon illumination 98.7%

Observation tip: Moon illumination 98.7%; good for observing lunar surface detail

Right ascension: 10h45m08s
Gerilim: +10°59'45"