October 1991 வான் நிகழ்வுகள்

Observer Location:Beijing (39.904°, 116.407°)

கோள்களின் கண்ணோட்டம்

22 sky events total, including 5 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

October 1991 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.8
நட்சத்திர மண்டலம்: Libra
Angular diameter: 4.7"
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: 13h48m07s
விலக்கம்: -11°05'16"

Venus

Excellent
Apparent magnitude: -4.7
நட்சத்திர மண்டலம்: Virgo
Angular diameter: 30.2"
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: 10h28m54s
விலக்கம்: +07°41'24"

Mars

Excellent
Apparent magnitude: 1.6
நட்சத்திர மண்டலம்: Libra
Angular diameter: 3.6"
Status: near western quadrature

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

Right ascension: 13h47m28s
விலக்கம்: -10°45'05"

Jupiter

Excellent
Apparent magnitude: -1.8
நட்சத்திர மண்டலம்: Virgo
Angular diameter: 32.7"
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: 10h34m29s
விலக்கம்: +09°55'08"

Saturn

Excellent
Apparent magnitude: 0.5
நட்சத்திர மண்டலம்: Aquarius
Angular diameter: 17.1"
Status: near western quadrature

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

Right ascension: 20h10m22s
விலக்கம்: -20°37'30"

Uranus

Fair
Apparent magnitude: 5.8
நட்சத்திர மண்டலம்: Capricornus
Angular diameter: 3.6"
Status: near western quadrature

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

Right ascension: 18h44m08s
விலக்கம்: -23°25'32"

Neptune

Fair
Apparent magnitude: 7.9
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: 19h00m50s
விலக்கம்: -21°56'02"

Moon

Excellent
Apparent magnitude: -12.7
நட்சத்திர மண்டலம்: Capricornus
Angular diameter: 11514.2"
Status: Moon illumination 43.3%

Observation tip: Moon illumination 43.3%; good for observing lunar surface detail

Right ascension: 18h57m33s
விலக்கம்: -22°49'03"