January 1999 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

January 1999 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.5
நட்சத்திர மண்டலம்: Capricornus
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: 18h52m09s
விலக்கம்: -23°57'46"

Venus

Excellent
Apparent magnitude: -3.9
நட்சத்திர மண்டலம்: Aquarius
Angular diameter: 10.5"
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: 21h03m21s
விலக்கம்: -18°24'34"

Mars

Excellent
Apparent magnitude: 0.8
நட்சத்திர மண்டலம்: Libra
Angular diameter: 6.9"
Status: near eastern quadrature

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

Right ascension: 13h35m43s
விலக்கம்: -07°50'26"

Jupiter

Excellent
Apparent magnitude: -2.2
நட்சத்திர மண்டலம்: Pisces
Angular diameter: 36.7"
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: 23h40m36s
விலக்கம்: -03°23'57"

Saturn

Excellent
Apparent magnitude: 0.4
நட்சத்திர மண்டலம்: Aries
Angular diameter: 18.1"
Status: near western quadrature

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

Right ascension: 01h43m52s
விலக்கம்: +08°05'44"

Uranus

Fair
Apparent magnitude: 5.9
நட்சத்திர மண்டலம்: Aquarius
Angular diameter: 3.4"
Status: near western quadrature

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

Right ascension: 20h57m26s
விலக்கம்: -17°52'32"

Neptune

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

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

Right ascension: 20h14m59s
விலக்கம்: -19°31'04"

Moon

Excellent
Apparent magnitude: -12.7
நட்சத்திர மண்டலம்: Sagittarius
Angular diameter: 11682.6"
Status: Moon illumination 7.2%

Observation tip: Moon illumination 7.2%; good for observing lunar surface detail

Right ascension: 17h32m54s
விலக்கம்: -18°49'32"