January 1930 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

25 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 1930 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: 1.0
กลุ่มดาว: Aquarius
Angular diameter: 8.9"
Status: near superior conjunction

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

Right ascension: 20h39m39s
เดคลิเนชัน: -16°53'42"

Venus

Excellent
Apparent magnitude: -3.9
กลุ่มดาว: Capricornus
Angular diameter: 9.8"
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: 19h21m14s
เดคลิเนชัน: -22°45'45"

Mars

Excellent
Apparent magnitude: 1.3
กลุ่มดาว: Capricornus
Angular diameter: 3.9"
Status: near eastern quadrature

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

Right ascension: 18h54m43s
เดคลิเนชัน: -23°39'17"

Jupiter

Excellent
Apparent magnitude: -2.6
กลุ่มดาว: Gemini
Angular diameter: 45.3"
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: 04h20m19s
เดคลิเนชัน: +20°49'38"

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: 18h23m08s
เดคลิเนชัน: -22°34'50"

Uranus

Fair
Apparent magnitude: 5.9
กลุ่มดาว: Aries
Angular diameter: 3.5"
Status: near western quadrature

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

Right ascension: 00h29m45s
เดคลิเนชัน: +02°28'23"

Neptune

Fair
Apparent magnitude: 7.8
กลุ่มดาว: Virgo
Angular diameter: 2.3"
Status: near eastern quadrature

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

Right ascension: 10h21m21s
เดคลิเนชัน: +10°57'31"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Cancer
Angular diameter: 13054.3"
Status: Moon illumination 99.8%

Observation tip: Moon illumination 99.8%; good for observing lunar surface detail

Right ascension: 07h52m11s
เดคลิเนชัน: +25°54'15"