December 1928 Astronomické jevy

Poloha pozorovatele:Beijing (39.904°, 116.407°)

Přehled měsíčních nebeských úkazů

23 celkem nebeských úkazů, včetně 4 fáze Měsíce a 3 planetární jevy.

Denní nebeské úkazy

Všechny časy jsou v místním čase (Asia/Shanghai)

Group Datum Východ/západ Slunce Východ/západ Měsíce Fáze Měsíce Astronomické jevy

Planetary outlook

December 1928 mid-month observing conditions

Mercury

Excellent
Zdánlivá magnituda: -1.2
Souhvězdí: Sagittarius
Angular diameter: 4.6"
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

Rektascenze: 17h19m40s
Deklinace: -24°13'55"

Venus

Excellent
Zdánlivá magnituda: -4.1
Souhvězdí: Aquarius
Angular diameter: 15.4"
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

Rektascenze: 20h25m28s
Deklinace: -21°27'22"

Mars

Excellent
Zdánlivá magnituda: -1.7
Souhvězdí: Cancer
Angular diameter: 16.0"
Status: near eastern quadrature

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

Rektascenze: 06h09m09s
Deklinace: +26°25'38"

Jupiter

Excellent
Zdánlivá magnituda: -2.7
Souhvězdí: Aries
Angular diameter: 45.8"
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

Rektascenze: 01h55m55s
Deklinace: +10°28'20"

Saturn

Excellent
Zdánlivá magnituda: 0.4
Souhvězdí: Sagittarius
Angular diameter: 15.1"
Status: near eastern quadrature

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

Rektascenze: 17h24m12s
Deklinace: -22°00'32"

Uranus

Fair
Zdánlivá magnituda: 5.9
Souhvězdí: Aries
Angular diameter: 3.5"
Status: near western quadrature

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

Rektascenze: 00h13m53s
Deklinace: +00°43'09"

Neptune

Fair
Zdánlivá magnituda: 7.9
Souhvězdí: Virgo
Angular diameter: 2.3"
Status: near eastern quadrature

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

Rektascenze: 10h14m21s
Deklinace: +11°32'06"

Moon

Excellent
Zdánlivá magnituda: -12.7
Souhvězdí: Capricornus
Angular diameter: 11561.1"
Status: Moon illumination 7.0%

Observation tip: Moon illumination 7.0%; good for observing lunar surface detail

Rektascenze: 19h43m04s
Deklinace: -25°34'51"