December 2081 Astronomické jevy

Poloha pozorovatele:Beijing (39.904°, 116.407°)

Přehled měsíčních nebeských úkazů

25 celkem nebeských úkazů, včetně 4 fáze Měsíce a 2 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 2081 mid-month observing conditions

Mercury

Excellent
Zdánlivá magnituda: -0.7
Souhvězdí: Capricornus
Angular diameter: 5.6"
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

Rektascenze: 18h48m17s
Deklinace: -25°15'20"

Venus

Excellent
Zdánlivá magnituda: -3.9
Souhvězdí: Sagittarius
Angular diameter: 9.8"
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

Rektascenze: 17h27m37s
Deklinace: -23°18'52"

Mars

Excellent
Zdánlivá magnituda: 1.7
Souhvězdí: Scorpius
Angular diameter: 4.3"
Status: near eastern quadrature

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

Rektascenze: 14h32m23s
Deklinace: -14°09'13"

Jupiter

Excellent
Zdánlivá magnituda: -2.4
Souhvězdí: Pisces
Angular diameter: 40.0"
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: 23h24m43s
Deklinace: -05°12'06"

Saturn

Excellent
Zdánlivá magnituda: 0.8
Souhvězdí: Aquarius
Angular diameter: 16.1"
Status: near western quadrature

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

Rektascenze: 21h42m42s
Deklinace: -15°07'01"

Uranus

Fair
Zdánlivá magnituda: 5.9
Souhvězdí: Aquarius
Angular diameter: 3.4"
Status: near western quadrature

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

Rektascenze: 20h39m53s
Deklinace: -19°00'18"

Neptune

Fair
Zdánlivá magnituda: 7.7
Souhvězdí: Leo
Angular diameter: 2.3"
Status: near eastern quadrature

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

Rektascenze: 08h38m40s
Deklinace: +18°13'54"

Moon

Excellent
Zdánlivá magnituda: -12.7
Souhvězdí: Gemini
Angular diameter: 12021.8"
Status: Moon illumination 98.2%

Observation tip: Moon illumination 98.2%; good for observing lunar surface detail

Rektascenze: 04h26m12s
Deklinace: +26°45'40"