December 1979 Himmelshändelser

Observatörens plats:Beijing (39.904°, 116.407°)

Månadsöversikt över himlahändelser

22 himlahändelser totalt, inklusive 4 månfaser och 2 planetära händelser.

Dagliga himlahändelser

Alla tider är i lokal tid (Asia/Shanghai)

Group Datum Soluppgång/Solnedgång Månuppgång/Månnedgång Månfas Himmelshändelser

Planetary outlook

December 1979 mid-month observing conditions

Mercury

Excellent
Skenbar magnitud: -0.6
Stjärnbild: Sagittarius
Angular diameter: 5.8"
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: 16h05m46s
Deklination: -19°17'46"

Venus

Excellent
Skenbar magnitud: -3.9
Stjärnbild: Capricornus
Angular diameter: 11.7"
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

Rektascension: 19h29m12s
Deklination: -23°31'46"

Mars

Excellent
Skenbar magnitud: 0.4
Stjärnbild: Virgo
Angular diameter: 8.4"
Status: near eastern quadrature

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

Rektascension: 10h49m15s
Deklination: +10°20'20"

Jupiter

Excellent
Skenbar magnitud: -2.2
Stjärnbild: Virgo
Angular diameter: 38.8"
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

Rektascension: 10h47m50s
Deklination: +08°46'55"

Saturn

Excellent
Skenbar magnitud: 1.0
Stjärnbild: Virgo
Angular diameter: 17.6"
Status: near eastern quadrature

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

Rektascension: 11h50m37s
Deklination: +03°17'07"

Uranus

Fair
Skenbar magnitud: 5.7
Stjärnbild: Scorpius
Angular diameter: 3.6"
Status: near eastern quadrature

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

Rektascension: 15h23m20s
Deklination: -18°17'26"

Neptune

Fair
Skenbar magnitud: 8.0
Stjärnbild: Sagittarius
Angular diameter: 2.2"
Status: near eastern quadrature

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

Rektascension: 17h18m09s
Deklination: -21°44'50"

Moon

Excellent
Skenbar magnitud: -12.7
Stjärnbild: Libra
Angular diameter: 11733.1"
Status: Moon illumination 19.7%

Observation tip: Moon illumination 19.7%; good for observing lunar surface detail

Rektascension: 13h57m27s
Deklination: -07°26'16"