May 1901 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

23 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

May 1901 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -2.4
กลุ่มดาว: Taurus
Angular diameter: 5.1"
Status: near greatest western elongation

Observation tip: Very bright, easily visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Right ascension: 03h25m24s
เดคลิเนชัน: +18°56'45"

Venus

Excellent
Apparent magnitude: -3.9
กลุ่มดาว: Taurus
Angular diameter: 9.7"
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: 03h39m46s
เดคลิเนชัน: +19°12'36"

Mars

Excellent
Apparent magnitude: 0.4
กลุ่มดาว: Virgo
Angular diameter: 8.1"
Status: near western quadrature

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

Right ascension: 10h15m46s
เดคลิเนชัน: +12°34'55"

Jupiter

Excellent
Apparent magnitude: -2.5
กลุ่มดาว: Capricornus
Angular diameter: 43.7"
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: 18h55m21s
เดคลิเนชัน: -22°42'14"

Saturn

Excellent
Apparent magnitude: 0.3
กลุ่มดาว: Capricornus
Angular diameter: 17.6"
Status: near eastern quadrature

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

Right ascension: 19h09m37s
เดคลิเนชัน: -21°57'36"

Uranus

Fair
Apparent magnitude: 5.5
กลุ่มดาว: Sagittarius
Angular diameter: 3.9"
Status: near eastern quadrature

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

Right ascension: 16h58m16s
เดคลิเนชัน: -22°42'26"

Neptune

Fair
Apparent magnitude: 7.9
กลุ่มดาว: Gemini
Angular diameter: 2.2"
Status: near western quadrature

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

Right ascension: 05h49m47s
เดคลิเนชัน: +22°16'17"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Aries
Angular diameter: 12811.8"
Status: Moon illumination 15.0%

Observation tip: Moon illumination 15.0%; good for observing lunar surface detail

Right ascension: 00h23m52s
เดคลิเนชัน: +06°37'51"