December 2007 Astronomické jevy

Poloha pozorovatele:Beijing (39.904°, 116.407°)

Přehled měsíčních nebeských úkazů

27 celkem nebeských úkazů, včetně 5 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 2007 mid-month observing conditions

Mercury

Excellent
Zdánlivá magnituda: -1.3
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: 17h21m06s
Deklinace: -24°15'35"

Venus

Excellent
Zdánlivá magnituda: -4.1
Souhvězdí: Scorpius
Angular diameter: 16.1"
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: 14h37m41s
Deklinace: -12°58'04"

Mars

Excellent
Zdánlivá magnituda: -1.6
Souhvězdí: Cancer
Angular diameter: 15.8"
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: 06h28m41s
Deklinace: +26°18'24"

Jupiter

Excellent
Zdánlivá magnituda: -1.8
Souhvězdí: Sagittarius
Angular diameter: 31.6"
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: 17h56m10s
Deklinace: -23°14'31"

Saturn

Excellent
Zdánlivá magnituda: 0.6
Souhvězdí: Virgo
Angular diameter: 18.5"
Status: near eastern quadrature

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

Rektascenze: 10h43m09s
Deklinace: +09°51'36"

Uranus

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

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

Rektascenze: 23h05m46s
Deklinace: -06°38'02"

Neptune

Fair
Zdánlivá magnituda: 7.8
Souhvězdí: Aquarius
Angular diameter: 2.2"
Status: near western quadrature

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

Rektascenze: 21h29m11s
Deklinace: -15°09'12"

Moon

Excellent
Zdánlivá magnituda: -12.7
Souhvězdí: Aquarius
Angular diameter: 12036.6"
Status: Moon illumination 25.2%

Observation tip: Moon illumination 25.2%; good for observing lunar surface detail

Rektascenze: 21h41m30s
Deklinace: -14°30'38"