January 1985 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

25 sky events total, including 4 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 1985 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.3
กลุ่มดาว: Capricornus
Angular diameter: 5.6"
Status: near inferior conjunction

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

Right ascension: 18h18m47s
เดคลิเนชัน: -23°11'28"

Venus

Excellent
Apparent magnitude: -4.4
กลุ่มดาว: Pisces
Angular diameter: 22.5"
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: 22h53m15s
เดคลิเนชัน: -07°44'13"

Mars

Excellent
Apparent magnitude: 1.0
กลุ่มดาว: Pisces
Angular diameter: 5.2"
Status: near western quadrature

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

Right ascension: 23h08m56s
เดคลิเนชัน: -06°16'42"

Jupiter

Excellent
Apparent magnitude: -1.9
กลุ่มดาว: Capricornus
Angular diameter: 32.1"
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: 19h46m49s
เดคลิเนชัน: -21°27'06"

Saturn

Excellent
Apparent magnitude: 0.6
กลุ่มดาว: Scorpius
Angular diameter: 16.0"
Status: near eastern quadrature

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

Right ascension: 15h36m36s
เดคลิเนชัน: -17°12'11"

Uranus

Fair
Apparent magnitude: 5.7
กลุ่มดาว: Sagittarius
Angular diameter: 3.6"
Status: near eastern quadrature

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

Right ascension: 16h59m43s
เดคลิเนชัน: -22°43'24"

Neptune

Fair
Apparent magnitude: 8.0
กลุ่มดาว: Capricornus
Angular diameter: 2.2"
Status: near eastern quadrature

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

Right ascension: 18h08m38s
เดคลิเนชัน: -22°18'51"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Scorpius
Angular diameter: 12518.2"
Status: Moon illumination 38.6%

Observation tip: Moon illumination 38.6%; good for observing lunar surface detail

Right ascension: 14h24m59s
เดคลิเนชัน: -12°44'58"