December 1997 Himmelsereignisse

Beobachterstandort:Beijing (39.904°, 116.407°)

Monatliche Himmelsereignisse

20 Himmelereignisse insgesamt, einschließlich 4 Mondphasen und 1 Planetenereignisse.

Tägliche Himmelsereignisse

Alle Zeiten in Ortszeit (Asia/Shanghai)

Group Datum Sonnenaufgang/-untergang Mondaufgang/-untergang Mondphase Himmelsereignisse

Planetary outlook

December 1997 mid-month observing conditions

Mercury

Fair
Scheinbare Helligkeit: 4.3
Sternbild: 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

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

Venus

Excellent
Scheinbare Helligkeit: -4.9
Sternbild: 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

Rektaszension: 20h15m27s
Deklination: -21°15'37"

Mars

Excellent
Scheinbare Helligkeit: 1.1
Sternbild: 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

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

Jupiter

Excellent
Scheinbare Helligkeit: -2.1
Sternbild: 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

Rektaszension: 21h26m31s
Deklination: -15°59'20"

Saturn

Excellent
Scheinbare Helligkeit: 0.5
Sternbild: 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

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

Uranus

Fair
Scheinbare Helligkeit: 5.9
Sternbild: Aquarius
Angular diameter: 3.4"
Status: near western quadrature

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

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

Neptune

Fair
Scheinbare Helligkeit: 7.9
Sternbild: Aquarius
Angular diameter: 2.2"
Status: near western quadrature

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

Rektaszension: 20h01m32s
Deklination: -20°07'40"

Moon

Excellent
Scheinbare Helligkeit: -12.7
Sternbild: Cancer
Angular diameter: 12209.9"
Status: Moon illumination 98.9%

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

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