January 1902 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

22 sky events total, including 5 moon phases and 3 planetary events.

เหตุการณ์ท้องฟ้า

All times are in local time (Asia/Shanghai)

Group วันที่ Sunrise/Sunset Moonrise/Moonset Moon Phase ปรากฏการณ์ท้องฟ้า

Planetary outlook

January 1902 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -1.1
กลุ่มดาว: Aquarius
Angular diameter: 5.0"
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: 20h19m02s
เดคลิเนชัน: -21°45'10"

Venus

Excellent
Apparent magnitude: -4.9
กลุ่มดาว: Pisces
Angular diameter: 43.7"
Status: near superior 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: 22h10m34s
เดคลิเนชัน: -09°00'40"

Mars

Excellent
Apparent magnitude: 1.2
กลุ่มดาว: Aquarius
Angular diameter: 4.1"
Status: near western quadrature

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

Right ascension: 20h52m01s
เดคลิเนชัน: -18°45'18"

Jupiter

Excellent
Apparent magnitude: -1.9
กลุ่มดาว: Capricornus
Angular diameter: 32.2"
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: 19h46m36s
เดคลิเนชัน: -21°29'12"

Saturn

Excellent
Apparent magnitude: 0.5
กลุ่มดาว: Capricornus
Angular diameter: 15.1"
Status: near eastern quadrature

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

Right ascension: 19h23m42s
เดคลิเนชัน: -21°53'56"

Uranus

Fair
Apparent magnitude: 5.7
กลุ่มดาว: Sagittarius
Angular diameter: 3.5"
Status: near eastern quadrature

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

Right ascension: 17h13m04s
เดคลิเนชัน: -23°03'47"

Neptune

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

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

Right ascension: 05h57m35s
เดคลิเนชัน: +22°15'26"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Pisces
Angular diameter: 12250.3"
Status: Moon illumination 26.0%

Observation tip: Moon illumination 26.0%; good for observing lunar surface detail

Right ascension: 23h36m18s
เดคลิเนชัน: +01°20'34"