December 1909 Ĉielaj Eventoj

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

Superrigardo de Planedoj

23 ĉielaj eventoj entute, inkluzive de 4 lunfazoj kaj 2 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 1909 mid-month observing conditions

Mercury

Excellent
Ŝajna magnitudo: -0.9
Konstelacio: Sagittarius
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: 17h55m11s
Deklinacio: -25°18'26"

Venus

Excellent
Ŝajna magnitudo: -4.7
Konstelacio: Aquarius
Angular diameter: 28.8"
Status: near superior 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: 20h48m22s
Deklinacio: -19°59'09"

Mars

Excellent
Ŝajna magnitudo: -0.4
Konstelacio: Aries
Angular diameter: 11.1"
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: 00h34m43s
Deklinacio: +03°45'44"

Jupiter

Excellent
Ŝajna magnitudo: -1.9
Konstelacio: Libra
Angular diameter: 34.7"
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

Rekta supreniro: 12h44m01s
Deklinacio: -03°23'08"

Saturn

Excellent
Ŝajna magnitudo: 0.5
Konstelacio: Aries
Angular diameter: 18.7"
Status: near western quadrature

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

Rekta supreniro: 01h04m27s
Deklinacio: +04°02'03"

Uranus

Fair
Ŝajna magnitudo: 5.9
Konstelacio: Capricornus
Angular diameter: 3.4"
Status: near western quadrature

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

Rekta supreniro: 19h24m49s
Deklinacio: -22°28'22"

Neptune

Fair
Ŝajna magnitudo: 7.8
Konstelacio: Cancer
Angular diameter: 2.3"
Status: near eastern quadrature

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

Rekta supreniro: 07h20m16s
Deklinacio: +21°26'47"

Moon

Excellent
Ŝajna magnitudo: -12.7
Konstelacio: Capricornus
Angular diameter: 12064.7"
Status: Moon illumination 5.0%

Observation tip: Moon illumination 5.0%; good for observing lunar surface detail

Rekta supreniro: 19h20m23s
Deklinacio: -25°37'53"