December 1977 Himmelshändelser

Observatörens plats:Beijing (39.904°, 116.407°)

Månadsöversikt över himlahändelser

24 himlahändelser totalt, inklusive 4 månfaser och 4 planetära händelser.

Dagliga himlahändelser

Alla tider är i lokal tid (Asia/Shanghai)

Group Datum Soluppgång/Solnedgång Månuppgång/Månnedgång Månfas Himmelshändelser

Planetary outlook

December 1977 mid-month observing conditions

Mercury

Excellent
Skenbar magnitud: 1.0
Stjärnbild: Capricornus
Angular diameter: 9.0"
Status: near superior conjunction

Observation tip: Visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Rektascension: 18h29m02s
Deklination: -23°15'06"

Venus

Excellent
Skenbar magnitud: -3.9
Stjärnbild: Sagittarius
Angular diameter: 9.9"
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: 16h49m39s
Deklination: -22°04'01"

Mars

Excellent
Skenbar magnitud: -0.6
Stjärnbild: Leo
Angular diameter: 12.1"
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: 08h59m38s
Deklination: +20°19'59"

Jupiter

Excellent
Skenbar magnitud: -2.7
Stjärnbild: Cancer
Angular diameter: 47.4"
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: 06h09m22s
Deklination: +23°08'48"

Saturn

Excellent
Skenbar magnitud: 0.4
Stjärnbild: Virgo
Angular diameter: 18.9"
Status: near eastern quadrature

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

Rektascension: 10h12m22s
Deklination: +12°33'06"

Uranus

Fair
Skenbar magnitud: 5.6
Stjärnbild: Scorpius
Angular diameter: 3.6"
Status: near eastern quadrature

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

Rektascension: 14h48m37s
Deklination: -15°49'14"

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: 17h00m19s
Deklination: -21°18'22"

Moon

Excellent
Skenbar magnitud: -12.7
Stjärnbild: Aquarius
Angular diameter: 12552.0"
Status: Moon illumination 24.7%

Observation tip: Moon illumination 24.7%; good for observing lunar surface detail

Rektascension: 21h33m40s
Deklination: -10°23'53"