December 1957 Himmelshändelser

Observatörens plats:Beijing (39.904°, 116.407°)

Månadsöversikt över himlahändelser

20 himlahändelser totalt, inklusive 4 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 1957 mid-month observing conditions

Mercury

Excellent
Skenbar magnitud: 0.1
Stjärnbild: Capricornus
Angular diameter: 8.0"
Status: near superior conjunction

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

Rektascension: 18h49m41s
Deklination: -23°54'12"

Venus

Excellent
Skenbar magnitud: -4.8
Stjärnbild: Aquarius
Angular diameter: 35.4"
Status: near superior 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: 20h37m33s
Deklination: -20°24'03"

Mars

Excellent
Skenbar magnitud: 1.6
Stjärnbild: Scorpius
Angular diameter: 3.9"
Status: near eastern quadrature

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

Rektascension: 15h28m35s
Deklination: -18°38'15"

Jupiter

Excellent
Skenbar magnitud: -1.8
Stjärnbild: Libra
Angular diameter: 33.2"
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: 13h38m38s
Deklination: -08°58'43"

Saturn

Excellent
Skenbar magnitud: 0.4
Stjärnbild: Sagittarius
Angular diameter: 15.1"
Status: near eastern quadrature

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

Rektascension: 17h06m03s
Deklination: -21°30'50"

Uranus

Fair
Skenbar magnitud: 5.4
Stjärnbild: Leo
Angular diameter: 4.0"
Status: near eastern quadrature

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

Rektascension: 08h55m53s
Deklination: +18°01'01"

Neptune

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

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

Rektascension: 14h09m30s
Deklination: -11°14'55"

Moon

Excellent
Skenbar magnitud: -12.7
Stjärnbild: Libra
Angular diameter: 12560.0"
Status: Moon illumination 41.5%

Observation tip: Moon illumination 41.5%; good for observing lunar surface detail

Rektascension: 12h05m01s
Deklination: -03°56'34"