October 1990 வான் நிகழ்வுகள்

Observer Location:Beijing (39.904°, 116.407°)

கோள்களின் கண்ணோட்டம்

20 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

October 1990 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -1.3
நட்சத்திர மண்டலம்: Libra
Angular diameter: 4.9"
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: 13h02m03s
விலக்கம்: -05°04'45"

Venus

Excellent
Apparent magnitude: -3.9
நட்சத்திர மண்டலம்: Libra
Angular diameter: 9.8"
Status: near inferior 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: 13h04m07s
விலக்கம்: -05°24'50"

Mars

Excellent
Apparent magnitude: -1.2
நட்சத்திர மண்டலம்: Gemini
Angular diameter: 15.2"
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: 04h52m16s
விலக்கம்: +21°53'19"

Jupiter

Excellent
Apparent magnitude: -2.0
நட்சத்திர மண்டலம்: Leo
Angular diameter: 35.9"
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: 08h51m40s
விலக்கம்: +18°03'08"

Saturn

Excellent
Apparent magnitude: 0.5
நட்சத்திர மண்டலம்: Capricornus
Angular diameter: 16.6"
Status: near western quadrature

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

Right ascension: 19h22m43s
விலக்கம்: -22°08'06"

Uranus

Fair
Apparent magnitude: 5.7
நட்சத்திர மண்டலம்: Capricornus
Angular diameter: 3.6"
Status: near western quadrature

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

Right ascension: 18h26m09s
விலக்கம்: -23°37'36"

Neptune

Fair
Apparent magnitude: 7.9
நட்சத்திர மண்டலம்: Capricornus
Angular diameter: 2.2"
Status: near western quadrature

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

Right ascension: 18h51m31s
விலக்கம்: -22°05'08"

Moon

Excellent
Apparent magnitude: -12.7
நட்சத்திர மண்டலம்: Virgo
Angular diameter: 11995.6"
Status: Moon illumination 13.2%

Observation tip: Moon illumination 13.2%; good for observing lunar surface detail

Right ascension: 10h38m07s
விலக்கம்: +05°31'40"