January 1999 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

January 1999 mid-month observing conditions

Mercury

Excellent
Scheinbare Helligkeit: -0.5
Sternbild: Capricornus
Angular diameter: 4.9"
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

Rektaszension: 18h52m09s
Deklination: -23°57'46"

Venus

Excellent
Scheinbare Helligkeit: -3.9
Sternbild: Aquarius
Angular diameter: 10.5"
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

Rektaszension: 21h03m21s
Deklination: -18°24'34"

Mars

Excellent
Scheinbare Helligkeit: 0.8
Sternbild: Libra
Angular diameter: 6.9"
Status: near eastern quadrature

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

Rektaszension: 13h35m43s
Deklination: -07°50'26"

Jupiter

Excellent
Scheinbare Helligkeit: -2.2
Sternbild: Pisces
Angular diameter: 36.7"
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: 23h40m36s
Deklination: -03°23'57"

Saturn

Excellent
Scheinbare Helligkeit: 0.4
Sternbild: Aries
Angular diameter: 18.1"
Status: near western quadrature

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

Rektaszension: 01h43m52s
Deklination: +08°05'44"

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: 20h57m26s
Deklination: -17°52'32"

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: 20h14m59s
Deklination: -19°31'04"

Moon

Excellent
Scheinbare Helligkeit: -12.7
Sternbild: Sagittarius
Angular diameter: 11682.6"
Status: Moon illumination 7.2%

Observation tip: Moon illumination 7.2%; good for observing lunar surface detail

Rektaszension: 17h32m54s
Deklination: -18°49'32"