December 2007 Himmelshändelser

Observatörens plats:Beijing (39.904°, 116.407°)

Månadsöversikt över himlahändelser

27 himlahändelser totalt, inklusive 5 månfaser och 3 planetära händelser.

Dagliga himlahändelser

Alla tider är i lokal tid (Asia/Shanghai)

Group Datum Soluppgång/Solnedgång Månuppgång/Månnedgång Månfas Himmelshändelser

Planetary outlook

December 2007 mid-month observing conditions

Mercury

Excellent
Skenbar magnitud: -1.3
Stjärnbild: 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

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

Venus

Excellent
Skenbar magnitud: -4.1
Stjärnbild: 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

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

Mars

Excellent
Skenbar magnitud: -1.6
Stjärnbild: 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

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

Jupiter

Excellent
Skenbar magnitud: -1.8
Stjärnbild: 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

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

Saturn

Excellent
Skenbar magnitud: 0.6
Stjärnbild: 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

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

Uranus

Fair
Skenbar magnitud: 5.9
Stjärnbild: Pisces
Angular diameter: 3.5"
Status: near western quadrature

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

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

Neptune

Fair
Skenbar magnitud: 7.8
Stjärnbild: Aquarius
Angular diameter: 2.2"
Status: near western quadrature

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

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

Moon

Excellent
Skenbar magnitud: -12.7
Stjärnbild: Aquarius
Angular diameter: 12036.6"
Status: Moon illumination 25.2%

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

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