December 1997 Himmelshändelser

Observatörens plats:Beijing (39.904°, 116.407°)

Månadsöversikt över himlahändelser

20 himlahändelser totalt, inklusive 4 månfaser och 1 planetära händelser.

Dagliga himlahändelser

Alla tider är i lokal tid (Asia/Shanghai)

Group Datum Soluppgång/Solnedgång Månuppgång/Månnedgång Månfas Himmelshändelser

Planetary outlook

December 1997 mid-month observing conditions

Mercury

Fair
Skenbar magnitud: 4.3
Stjärnbild: Sagittarius
Angular diameter: 9.8"
Status: near superior conjunction

Observation tip: Binoculars are recommended; Mercury stays close to the Sun; best seen at dusk or dawn

Rektascension: 17h53m39s
Deklination: -22°13'42"

Venus

Excellent
Skenbar magnitud: -4.9
Stjärnbild: Aquarius
Angular diameter: 43.1"
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: 20h15m27s
Deklination: -21°15'37"

Mars

Excellent
Skenbar magnitud: 1.1
Stjärnbild: Capricornus
Angular diameter: 4.5"
Status: near western quadrature

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

Rektascension: 19h59m04s
Deklination: -21°52'36"

Jupiter

Excellent
Skenbar magnitud: -2.1
Stjärnbild: Aquarius
Angular diameter: 35.8"
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: 21h26m31s
Deklination: -15°59'20"

Saturn

Excellent
Skenbar magnitud: 0.5
Stjärnbild: Aries
Angular diameter: 18.5"
Status: near western quadrature

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

Rektascension: 00h53m50s
Deklination: +02°57'29"

Uranus

Fair
Skenbar magnitud: 5.9
Stjärnbild: Aquarius
Angular diameter: 3.4"
Status: near western quadrature

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

Rektascension: 20h35m13s
Deklination: -19°17'28"

Neptune

Fair
Skenbar magnitud: 7.9
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: 20h01m32s
Deklination: -20°07'40"

Moon

Excellent
Skenbar magnitud: -12.7
Stjärnbild: Cancer
Angular diameter: 12209.9"
Status: Moon illumination 98.9%

Observation tip: Moon illumination 98.9%; good for observing lunar surface detail

Rektascension: 06h18m00s
Deklination: +18°39'44"