January 1904 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

January 1904 mid-month observing conditions

Mercury

Fair
Apparent magnitude: 4.0
กลุ่มดาว: Aquarius
Angular diameter: 9.8"
Status: near superior conjunction

Observation tip: Binoculars are recommended; Mercury stays close to the Sun; best seen at dusk or dawn

Right ascension: 20h02m38s
เดคลิเนชัน: -17°49'26"

Venus

Excellent
Apparent magnitude: -4.1
กลุ่มดาว: Sagittarius
Angular diameter: 16.2"
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: 16h41m32s
เดคลิเนชัน: -19°58'16"

Mars

Excellent
Apparent magnitude: 1.2
กลุ่มดาว: Aquarius
Angular diameter: 4.5"
Status: near western quadrature

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

Right ascension: 21h55m46s
เดคลิเนชัน: -13°43'57"

Jupiter

Excellent
Apparent magnitude: -2.2
กลุ่มดาว: Pisces
Angular diameter: 36.3"
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: 23h25m35s
เดคลิเนชัน: -04°59'37"

Saturn

Excellent
Apparent magnitude: 0.7
กลุ่มดาว: Aquarius
Angular diameter: 15.3"
Status: near western quadrature

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

Right ascension: 20h48m56s
เดคลิเนชัน: -18°32'48"

Uranus

Fair
Apparent magnitude: 5.8
กลุ่มดาว: Sagittarius
Angular diameter: 3.5"
Status: near eastern quadrature

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

Right ascension: 17h48m42s
เดคลิเนชัน: -23°35'04"

Neptune

Fair
Apparent magnitude: 7.8
กลุ่มดาว: Cancer
Angular diameter: 2.4"
Status: near western quadrature

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

Right ascension: 06h17m26s
เดคลิเนชัน: +22°18'23"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Sagittarius
Angular diameter: 11668.8"
Status: Moon illumination 6.7%

Observation tip: Moon illumination 6.7%; good for observing lunar surface detail

Right ascension: 17h34m20s
เดคลิเนชัน: -18°18'14"