December 2031 Astronomické jevy

Poloha pozorovatele:Beijing (39.904°, 116.407°)

Přehled měsíčních nebeských úkazů

22 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 2031 mid-month observing conditions

Mercury

Excellent
Zdánlivá magnituda: -0.2
Souhvězdí: Sagittarius
Angular diameter: 7.2"
Status: near greatest eastern elongation

Observation tip: Very bright, easily visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Rektascenze: 16h01m25s
Deklinace: -18°02'45"

Venus

Excellent
Zdánlivá magnituda: -4.1
Souhvězdí: Scorpius
Angular diameter: 15.3"
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: 14h43m30s
Deklinace: -13°29'58"

Mars

Excellent
Zdánlivá magnituda: 0.9
Souhvězdí: Aquarius
Angular diameter: 5.6"
Status: near western quadrature

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

Rektascenze: 21h26m16s
Deklinace: -16°24'01"

Jupiter

Excellent
Zdánlivá magnituda: -1.9
Souhvězdí: Capricornus
Angular diameter: 32.0"
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: 18h28m04s
Deklinace: -23°14'30"

Saturn

Excellent
Zdánlivá magnituda: -0.5
Souhvězdí: Gemini
Angular diameter: 20.7"
Status: near western quadrature

Observation tip: Very bright, easily visible to the naked eye; Saturn’s rings require a telescope to see clearly

Rektascenze: 05h13m50s
Deklinace: +21°25'51"

Uranus

Fair
Zdánlivá magnituda: 5.5
Souhvězdí: Gemini
Angular diameter: 3.9"
Status: near eastern quadrature

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

Rektascenze: 05h39m37s
Deklinace: +23°30'23"

Neptune

Fair
Zdánlivá magnituda: 7.7
Souhvězdí: Aries
Angular diameter: 2.3"
Status: near western quadrature

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

Rektascenze: 00h49m43s
Deklinace: +03°36'34"

Moon

Excellent
Zdánlivá magnituda: -12.7
Souhvězdí: Capricornus
Angular diameter: 12881.4"
Status: Moon illumination 0.7%

Observation tip: Moon illumination 0.7%; good for observing lunar surface detail

Rektascenze: 18h05m57s
Deklinace: -19°53'51"