December 1988 Ĉielaj Eventoj

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

Superrigardo de Planedoj

25 ĉielaj eventoj entute, inkluzive de 5 lunfazoj kaj 4 planedaj eventoj.

Ĉielaj Eventoj

Ĉiuj tempoj estas en loka tempo (Asia/Shanghai)

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

Planetary outlook

December 1988 mid-month observing conditions

Mercury

Excellent
Ŝajna magnitudo: -0.9
Konstelacio: Capricornus
Angular diameter: 4.8"
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

Rekta supreniro: 18h03m31s
Deklinacio: -25°22'21"

Venus

Excellent
Ŝajna magnitudo: -3.9
Konstelacio: Scorpius
Angular diameter: 11.5"
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

Rekta supreniro: 15h38m29s
Deklinacio: -18°00'07"

Mars

Excellent
Ŝajna magnitudo: -0.5
Konstelacio: Aries
Angular diameter: 11.3"
Status: near western quadrature

Observation tip: Very bright, easily visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

Rekta supreniro: 00h44m19s
Deklinacio: +04°52'24"

Jupiter

Excellent
Ŝajna magnitudo: -2.8
Konstelacio: Taurus
Angular diameter: 47.9"
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: 03h44m54s
Deklinacio: +18°49'48"

Saturn

Excellent
Ŝajna magnitudo: 0.5
Konstelacio: Capricornus
Angular diameter: 15.1"
Status: near western quadrature

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

Rekta supreniro: 18h15m33s
Deklinacio: -22°39'25"

Uranus

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

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

Rekta supreniro: 18h03m11s
Deklinacio: -23°39'27"

Neptune

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

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

Rekta supreniro: 18h40m08s
Deklinacio: -22°12'47"

Moon

Excellent
Ŝajna magnitudo: -12.7
Konstelacio: Pisces
Angular diameter: 12550.7"
Status: Moon illumination 36.2%

Observation tip: Moon illumination 36.2%; good for observing lunar surface detail

Rekta supreniro: 22h35m21s
Deklinacio: -08°58'28"