August 1991 வான் நிகழ்வுகள்

Observer Location:Beijing (39.904°, 116.407°)

கோள்களின் கண்ணோட்டம்

23 sky events total, including 4 moon phases and 3 planetary events.

வான நிகழ்வுகள்

All times are in local time (Asia/Shanghai)

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

Planetary outlook

August 1991 mid-month observing conditions

Mercury

Good
Apparent magnitude: 2.9
நட்சத்திர மண்டலம்: Virgo
Angular diameter: 10.8"
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: 10h15m40s
விலக்கம்: +05°44'15"

Venus

Excellent
Apparent magnitude: -4.1
நட்சத்திர மண்டலம்: Virgo
Angular diameter: 56.2"
Status: near superior conjunction

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: 10h12m17s
விலக்கம்: +03°21'56"

Mars

Excellent
Apparent magnitude: 1.8
நட்சத்திர மண்டலம்: Virgo
Angular diameter: 3.8"
Status: near western quadrature

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

Right ascension: 11h20m50s
விலக்கம்: +05°08'40"

Jupiter

Excellent
Apparent magnitude: -1.7
நட்சத்திர மண்டலம்: Leo
Angular diameter: 31.0"
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: 09h45m47s
விலக்கம்: +14°16'58"

Saturn

Excellent
Apparent magnitude: 0.3
நட்சத்திர மண்டலம்: Aquarius
Angular diameter: 18.5"
Status: near western quadrature

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

Right ascension: 20h18m05s
விலக்கம்: -20°10'27"

Uranus

Fair
Apparent magnitude: 5.6
நட்சத்திர மண்டலம்: Capricornus
Angular diameter: 3.8"
Status: near western quadrature

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

Right ascension: 18h45m05s
விலக்கம்: -23°25'08"

Neptune

Fair
Apparent magnitude: 7.8
நட்சத்திர மண்டலம்: Capricornus
Angular diameter: 2.3"
Status: near western quadrature

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

Right ascension: 19h02m20s
விலக்கம்: -21°51'44"

Moon

Excellent
Apparent magnitude: -12.7
நட்சத்திர மண்டலம்: Libra
Angular diameter: 12052.9"
Status: Moon illumination 28.4%

Observation tip: Moon illumination 28.4%; good for observing lunar surface detail

Right ascension: 13h28m19s
விலக்கம்: -14°49'05"