April 1907 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

21 sky events total, including 4 moon phases and 1 planetary events.

เหตุการณ์ท้องฟ้า

All times are in local time (Asia/Shanghai)

Group วันที่ Sunrise/Sunset Moonrise/Moonset Moon Phase ปรากฏการณ์ท้องฟ้า

Planetary outlook

April 1907 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: 0.4
กลุ่มดาว: Pisces
Angular diameter: 7.8"
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: 23h50m08s
เดคลิเนชัน: -03°27'55"

Venus

Excellent
Apparent magnitude: -4.0
กลุ่มดาว: Pisces
Angular diameter: 14.5"
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: 23h07m05s
เดคลิเนชัน: -06°49'27"

Mars

Excellent
Apparent magnitude: -0.3
กลุ่มดาว: Capricornus
Angular diameter: 10.6"
Status: near eastern quadrature

Observation tip: Very bright, easily visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

Right ascension: 18h26m21s
เดคลิเนชัน: -23°47'03"

Jupiter

Excellent
Apparent magnitude: -2.1
กลุ่มดาว: Cancer
Angular diameter: 36.2"
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: 06h19m37s
เดคลิเนชัน: +23°29'36"

Saturn

Excellent
Apparent magnitude: 1.2
กลุ่มดาว: Pisces
Angular diameter: 15.9"
Status: near eastern quadrature

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

Right ascension: 23h33m42s
เดคลิเนชัน: -04°54'37"

Uranus

Fair
Apparent magnitude: 5.7
กลุ่มดาว: Capricornus
Angular diameter: 3.7"
Status: near eastern quadrature

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

Right ascension: 18h55m23s
เดคลิเนชัน: -23°11'11"

Neptune

Fair
Apparent magnitude: 7.9
กลุ่มดาว: Cancer
Angular diameter: 2.3"
Status: near western quadrature

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

Right ascension: 06h43m14s
เดคลิเนชัน: +22°13'20"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Taurus
Angular diameter: 11697.2"
Status: Moon illumination 5.1%

Observation tip: Moon illumination 5.1%; good for observing lunar surface detail

Right ascension: 03h13m40s
เดคลิเนชัน: +13°08'22"