February 1991 வான் நிகழ்வுகள்

Observer Location:Beijing (39.904°, 116.407°)

கோள்களின் கண்ணோட்டம்

20 sky events total, including 3 moon phases and 0 planetary events.

வான நிகழ்வுகள்

All times are in local time (Asia/Shanghai)

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

Planetary outlook

February 1991 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.7
நட்சத்திர மண்டலம்: Aquarius
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: 21h09m48s
விலக்கம்: -18°25'35"

Venus

Excellent
Apparent magnitude: -3.9
நட்சத்திர மண்டலம்: Pisces
Angular diameter: 11.2"
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: 23h28m30s
விலக்கம்: -04°47'12"

Mars

Excellent
Apparent magnitude: 0.2
நட்சத்திர மண்டலம்: Gemini
Angular diameter: 8.7"
Status: near western quadrature

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

Right ascension: 04h22m27s
விலக்கம்: +23°51'02"

Jupiter

Excellent
Apparent magnitude: -2.6
நட்சத்திர மண்டலம்: Leo
Angular diameter: 45.3"
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: 08h35m57s
விலக்கம்: +19°26'01"

Saturn

Excellent
Apparent magnitude: 0.7
நட்சத்திர மண்டலம்: Aquarius
Angular diameter: 15.3"
Status: near eastern quadrature

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

Right ascension: 20h12m47s
விலக்கம்: -20°08'43"

Uranus

Fair
Apparent magnitude: 5.8
நட்சத்திர மண்டலம்: Capricornus
Angular diameter: 3.5"
Status: near eastern quadrature

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

Right ascension: 18h53m19s
விலக்கம்: -23°12'24"

Neptune

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

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

Right ascension: 19h07m50s
விலக்கம்: -21°43'52"

Moon

Excellent
Apparent magnitude: -12.7
நட்சத்திர மண்டலம்: Pisces
Angular diameter: 11889.4"
Status: Moon illumination 0.1%

Observation tip: Moon illumination 0.1%; good for observing lunar surface detail

Right ascension: 22h00m31s
விலக்கம்: -09°18'38"