December 1968 Astronomické jevy

Poloha pozorovatele:Beijing (39.904°, 116.407°)

Přehled měsíčních nebeských úkazů

23 celkem nebeských úkazů, včetně 4 fáze Měsíce a 1 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 1968 mid-month observing conditions

Mercury

Excellent
Zdánlivá magnituda: -1.0
Souhvězdí: Sagittarius
Angular diameter: 4.7"
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: 17h48m53s
Deklinace: -25°07'05"

Venus

Excellent
Zdánlivá magnituda: -4.1
Souhvězdí: Aquarius
Angular diameter: 16.7"
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: 20h35m41s
Deklinace: -20°54'44"

Mars

Excellent
Zdánlivá magnituda: 1.5
Souhvězdí: Libra
Angular diameter: 5.0"
Status: near eastern quadrature

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

Rektascenze: 13h21m06s
Deklinace: -07°02'01"

Jupiter

Excellent
Zdánlivá magnituda: -1.9
Souhvězdí: Libra
Angular diameter: 35.6"
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

Rektascenze: 12h16m43s
Deklinace: -00°28'13"

Saturn

Excellent
Zdánlivá magnituda: 0.4
Souhvězdí: Aries
Angular diameter: 18.8"
Status: near western quadrature

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

Rektascenze: 01h13m07s
Deklinace: +04°55'02"

Uranus

Fair
Zdánlivá magnituda: 5.5
Souhvězdí: Libra
Angular diameter: 3.8"
Status: near eastern quadrature

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

Rektascenze: 12h14m51s
Deklinace: -00°48'37"

Neptune

Fair
Zdánlivá magnituda: 8.0
Souhvězdí: Scorpius
Angular diameter: 2.2"
Status: near eastern quadrature

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

Rektascenze: 15h41m22s
Deklinace: -17°55'29"

Moon

Excellent
Zdánlivá magnituda: -12.7
Souhvězdí: Libra
Angular diameter: 12457.7"
Status: Moon illumination 29.5%

Observation tip: Moon illumination 29.5%; good for observing lunar surface detail

Rektascenze: 13h02m40s
Deklinace: -07°44'03"