February 1990 Ĉielaj Eventoj

Loko de observanto:Beijing (39.904°, 116.407°)

Superrigardo de Planedoj

23 ĉielaj eventoj entute, inkluzive de 4 lunfazoj kaj 1 planedaj eventoj.

Ĉielaj Eventoj

Ĉiuj tempoj estas en loka tempo (Asia/Shanghai)

Group Dato Sunleviĝo/Sunsubiro Lunleviĝo/Lunsubiro Luna fazo Ĉielaj Eventoj

Planetary outlook

February 1990 mid-month observing conditions

Mercury

Excellent
Ŝajna magnitudo: -0.2
Konstelacio: Aquarius
Angular diameter: 5.6"
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

Rekta supreniro: 20h26m39s
Deklinacio: -20°17'34"

Venus

Excellent
Ŝajna magnitudo: -4.9
Konstelacio: Capricornus
Angular diameter: 45.8"
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

Rekta supreniro: 19h29m42s
Deklinacio: -15°04'36"

Mars

Excellent
Ŝajna magnitudo: 1.3
Konstelacio: Capricornus
Angular diameter: 4.6"
Status: near eastern quadrature

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

Rekta supreniro: 18h51m54s
Deklinacio: -23°28'48"

Jupiter

Excellent
Ŝajna magnitudo: -2.5
Konstelacio: Cancer
Angular diameter: 43.4"
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

Rekta supreniro: 06h04m13s
Deklinacio: +23°25'42"

Saturn

Excellent
Ŝajna magnitudo: 0.6
Konstelacio: Capricornus
Angular diameter: 15.4"
Status: near eastern quadrature

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

Rekta supreniro: 19h29m33s
Deklinacio: -21°35'59"

Uranus

Fair
Ŝajna magnitudo: 5.8
Konstelacio: Capricornus
Angular diameter: 3.5"
Status: near eastern quadrature

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

Rekta supreniro: 18h35m49s
Deklinacio: -23°28'06"

Neptune

Fair
Ŝajna magnitudo: 7.9
Konstelacio: Capricornus
Angular diameter: 2.2"
Status: near eastern quadrature

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

Rekta supreniro: 18h58m45s
Deklinacio: -21°54'13"

Moon

Excellent
Ŝajna magnitudo: -12.7
Konstelacio: Libra
Angular diameter: 11544.9"
Status: Moon illumination 75.2%

Observation tip: Moon illumination 75.2%; good for observing lunar surface detail

Rekta supreniro: 13h27m59s
Deklinacio: -14°32'07"