July 2005 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

July 2005 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: 0.8
กลุ่มดาว: Leo
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: 09h19m25s
เดคลิเนชัน: +14°00'59"

Venus

Excellent
Apparent magnitude: -3.9
กลุ่มดาว: Leo
Angular diameter: 11.6"
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: 09h32m59s
เดคลิเนชัน: +16°16'25"

Mars

Excellent
Apparent magnitude: -0.3
กลุ่มดาว: Aries
Angular diameter: 10.1"
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: 01h25m13s
เดคลิเนชัน: +06°04'30"

Jupiter

Excellent
Apparent magnitude: -1.9
กลุ่มดาว: Libra
Angular diameter: 35.4"
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: 12h43m02s
เดคลิเนชัน: -03°15'56"

Saturn

Excellent
Apparent magnitude: 0.2
กลุ่มดาว: Leo
Angular diameter: 16.5"
Status: near western quadrature

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

Right ascension: 08h08m09s
เดคลิเนชัน: +20°27'25"

Uranus

Fair
Apparent magnitude: 5.8
กลุ่มดาว: Pisces
Angular diameter: 3.6"
Status: near eastern quadrature

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

Right ascension: 22h48m54s
เดคลิเนชัน: -08°23'58"

Neptune

Fair
Apparent magnitude: 7.7
กลุ่มดาว: Aquarius
Angular diameter: 2.3"
Status: near eastern quadrature

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

Right ascension: 21h17m22s
เดคลิเนชัน: -15°54'53"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Libra
Angular diameter: 11987.2"
Status: Moon illumination 53.8%

Observation tip: Moon illumination 53.8%; good for observing lunar surface detail

Right ascension: 13h38m32s
เดคลิเนชัน: -11°06'34"