May 2005 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

25 sky events total, including 5 moon phases and 0 planetary events.

เหตุการณ์ท้องฟ้า

All times are in local time (Asia/Shanghai)

Group วันที่ Sunrise/Sunset Moonrise/Moonset Moon Phase ปรากฏการณ์ท้องฟ้า

Planetary outlook

May 2005 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.4
กลุ่มดาว: Taurus
Angular diameter: 5.9"
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: 02h11m21s
เดคลิเนชัน: +10°43'48"

Venus

Excellent
Apparent magnitude: -3.9
กลุ่มดาว: Gemini
Angular diameter: 9.9"
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: 04h16m03s
เดคลิเนชัน: +21°26'24"

Mars

Excellent
Apparent magnitude: 0.4
กลุ่มดาว: Pisces
Angular diameter: 7.2"
Status: near eastern quadrature

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

Right ascension: 22h49m05s
เดคลิเนชัน: -09°31'12"

Jupiter

Excellent
Apparent magnitude: -2.3
กลุ่มดาว: Libra
Angular diameter: 42.0"
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: 12h37m40s
เดคลิเนชัน: -02°25'16"

Saturn

Excellent
Apparent magnitude: 0.2
กลุ่มดาว: Cancer
Angular diameter: 17.4"
Status: near western quadrature

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

Right ascension: 07h39m00s
เดคลิเนชัน: +21°41'13"

Uranus

Fair
Apparent magnitude: 5.9
กลุ่มดาว: Pisces
Angular diameter: 3.5"
Status: near eastern quadrature

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

Right ascension: 22h48m42s
เดคลิเนชัน: -08°22'40"

Neptune

Fair
Apparent magnitude: 7.8
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: 21h20m19s
เดคลิเนชัน: -15°40'26"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Leo
Angular diameter: 11501.2"
Status: Moon illumination 37.2%

Observation tip: Moon illumination 37.2%; good for observing lunar surface detail

Right ascension: 08h52m29s
เดคลิเนชัน: +22°43'59"