September 1999 வான் நிகழ்வுகள்

Observer Location:Beijing (39.904°, 116.407°)

கோள்களின் கண்ணோட்டம்

21 sky events total, including 4 moon phases and 1 planetary events.

வான நிகழ்வுகள்

All times are in local time (Asia/Shanghai)

Group தேதி Sunrise/Sunset Moonrise/Moonset Moon Phase வான் நிகழ்வுகள்

Planetary outlook

September 1999 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -1.2
நட்சத்திர மண்டலம்: Virgo
Angular diameter: 4.8"
Status: near greatest western elongation

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

Right ascension: 11h51m57s
விலக்கம்: +02°12'37"

Venus

Excellent
Apparent magnitude: -4.8
நட்சத்திர மண்டலம்: Leo
Angular diameter: 45.3"
Status: near greatest eastern 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: 09h18m10s
விலக்கம்: +09°08'19"

Mars

Excellent
Apparent magnitude: 0.4
நட்சத்திர மண்டலம்: Sagittarius
Angular diameter: 7.4"
Status: near western quadrature

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

Right ascension: 16h22m53s
விலக்கம்: -23°24'38"

Jupiter

Excellent
Apparent magnitude: -2.8
நட்சத்திர மண்டலம்: Taurus
Angular diameter: 47.3"
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: 02h10m05s
விலக்கம்: +11°32'09"

Saturn

Excellent
Apparent magnitude: 0.1
நட்சத்திர மண்டலம்: Taurus
Angular diameter: 19.3"
Status: near eastern quadrature

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

Right ascension: 03h00m55s
விலக்கம்: +14°28'22"

Uranus

Fair
Apparent magnitude: 5.8
நட்சத்திர மண்டலம்: Aquarius
Angular diameter: 3.7"
Status: near western quadrature

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

Right ascension: 21h04m27s
விலக்கம்: -17°27'46"

Neptune

Fair
Apparent magnitude: 7.7
நட்சத்திர மண்டலம்: Aquarius
Angular diameter: 2.3"
Status: near western quadrature

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

Right ascension: 20h16m00s
விலக்கம்: -19°29'38"

Moon

Excellent
Apparent magnitude: -12.7
நட்சத்திர மண்டலம்: Scorpius
Angular diameter: 11559.3"
Status: Moon illumination 24.5%

Observation tip: Moon illumination 24.5%; good for observing lunar surface detail

Right ascension: 15h18m44s
விலக்கம்: -13°00'12"