August 2099 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

23 sky events total, including 5 moon phases and 1 planetary events.

เหตุการณ์ท้องฟ้า

All times are in local time (Asia/Shanghai)

Group วันที่ Sunrise/Sunset Moonrise/Moonset Moon Phase ปรากฏการณ์ท้องฟ้า

Planetary outlook

August 2099 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -1.9
กลุ่มดาว: Leo
Angular diameter: 5.0"
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: 09h32m24s
เดคลิเนชัน: +16°23'31"

Venus

Excellent
Apparent magnitude: -3.9
กลุ่มดาว: Virgo
Angular diameter: 9.7"
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: 10h06m17s
เดคลิเนชัน: +13°09'11"

Mars

Excellent
Apparent magnitude: -1.3
กลุ่มดาว: Aries
Angular diameter: 15.7"
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: 01h44m14s
เดคลิเนชัน: +06°36'59"

Jupiter

Excellent
Apparent magnitude: -1.7
กลุ่มดาว: Virgo
Angular diameter: 31.4"
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: 11h42m30s
เดคลิเนชัน: +03°05'50"

Saturn

Excellent
Apparent magnitude: 0.9
กลุ่มดาว: Libra
Angular diameter: 16.2"
Status: near western quadrature

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

Right ascension: 12h43m42s
เดคลิเนชัน: -02°12'01"

Uranus

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

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

Right ascension: 01h20m35s
เดคลิเนชัน: +07°46'59"

Neptune

Fair
Apparent magnitude: 7.9
กลุ่มดาว: Virgo
Angular diameter: 2.2"
Status: near western quadrature

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

Right ascension: 11h02m33s
เดคลิเนชัน: +07°06'40"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Leo
Angular diameter: 12731.7"
Status: Moon illumination 2.9%

Observation tip: Moon illumination 2.9%; good for observing lunar surface detail

Right ascension: 08h27m42s
เดคลิเนชัน: +23°24'30"