December 2007 Himmelsereignisse

Beobachterstandort:Beijing (39.904°, 116.407°)

Monatliche Himmelsereignisse

27 Himmelereignisse insgesamt, einschließlich 5 Mondphasen und 3 Planetenereignisse.

Tägliche Himmelsereignisse

Alle Zeiten in Ortszeit (Asia/Shanghai)

Group Datum Sonnenaufgang/-untergang Mondaufgang/-untergang Mondphase Himmelsereignisse

Planetary outlook

December 2007 mid-month observing conditions

Mercury

Excellent
Scheinbare Helligkeit: -1.3
Sternbild: 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

Rektaszension: 17h21m06s
Deklination: -24°15'35"

Venus

Excellent
Scheinbare Helligkeit: -4.1
Sternbild: 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

Rektaszension: 14h37m41s
Deklination: -12°58'04"

Mars

Excellent
Scheinbare Helligkeit: -1.6
Sternbild: 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

Rektaszension: 06h28m41s
Deklination: +26°18'24"

Jupiter

Excellent
Scheinbare Helligkeit: -1.8
Sternbild: 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

Rektaszension: 17h56m10s
Deklination: -23°14'31"

Saturn

Excellent
Scheinbare Helligkeit: 0.6
Sternbild: 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

Rektaszension: 10h43m09s
Deklination: +09°51'36"

Uranus

Fair
Scheinbare Helligkeit: 5.9
Sternbild: Pisces
Angular diameter: 3.5"
Status: near western quadrature

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

Rektaszension: 23h05m46s
Deklination: -06°38'02"

Neptune

Fair
Scheinbare Helligkeit: 7.8
Sternbild: Aquarius
Angular diameter: 2.2"
Status: near western quadrature

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

Rektaszension: 21h29m11s
Deklination: -15°09'12"

Moon

Excellent
Scheinbare Helligkeit: -12.7
Sternbild: Aquarius
Angular diameter: 12036.6"
Status: Moon illumination 25.2%

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

Rektaszension: 21h41m30s
Deklination: -14°30'38"