April 1993 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

18 sky events total, including 4 moon phases and 2 planetary events.

เหตุการณ์ท้องฟ้า

All times are in local time (Asia/Shanghai)

Group วันที่ Sunrise/Sunset Moonrise/Moonset Moon Phase ปรากฏการณ์ท้องฟ้า

Planetary outlook

April 1993 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: 0.1
กลุ่มดาว: Aries
Angular diameter: 6.6"
Status: near inferior conjunction

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

Right ascension: 00h00m55s
เดคลิเนชัน: -02°42'24"

Venus

Excellent
Apparent magnitude: -4.5
กลุ่มดาว: Aries
Angular diameter: 54.0"
Status: near greatest eastern 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: 00h09m19s
เดคลิเนชัน: +06°55'59"

Mars

Excellent
Apparent magnitude: 0.8
กลุ่มดาว: Cancer
Angular diameter: 7.0"
Status: near western quadrature

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

Right ascension: 07h45m34s
เดคลิเนชัน: +23°30'06"

Jupiter

Excellent
Apparent magnitude: -2.4
กลุ่มดาว: Libra
Angular diameter: 43.9"
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: 12h31m21s
เดคลิเนชัน: -01°39'30"

Saturn

Excellent
Apparent magnitude: 0.9
กลุ่มดาว: Pisces
Angular diameter: 16.1"
Status: near eastern quadrature

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

Right ascension: 22h01m49s
เดคลิเนชัน: -13°18'13"

Uranus

Fair
Apparent magnitude: 5.8
กลุ่มดาว: Capricornus
Angular diameter: 3.6"
Status: near eastern quadrature

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

Right ascension: 19h35m57s
เดคลิเนชัน: -22°03'42"

Neptune

Fair
Apparent magnitude: 7.8
กลุ่มดาว: 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: 19h30m56s
เดคลิเนชัน: -21°06'28"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Aquarius
Angular diameter: 11621.0"
Status: Moon illumination 38.7%

Observation tip: Moon illumination 38.7%; good for observing lunar surface detail

Right ascension: 20h38m25s
เดคลิเนชัน: -14°07'45"