October 1990 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

October 1990 mid-month observing conditions

Mercury

Excellent
Scheinbare Helligkeit: -1.3
Sternbild: Libra
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: 13h02m03s
Deklination: -05°04'45"

Venus

Excellent
Scheinbare Helligkeit: -3.9
Sternbild: Libra
Angular diameter: 9.8"
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

Rektaszension: 13h04m07s
Deklination: -05°24'50"

Mars

Excellent
Scheinbare Helligkeit: -1.2
Sternbild: Gemini
Angular diameter: 15.2"
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

Rektaszension: 04h52m16s
Deklination: +21°53'19"

Jupiter

Excellent
Scheinbare Helligkeit: -2.0
Sternbild: Leo
Angular diameter: 35.9"
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

Rektaszension: 08h51m40s
Deklination: +18°03'08"

Saturn

Excellent
Scheinbare Helligkeit: 0.5
Sternbild: Capricornus
Angular diameter: 16.6"
Status: near western quadrature

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

Rektaszension: 19h22m43s
Deklination: -22°08'06"

Uranus

Fair
Scheinbare Helligkeit: 5.7
Sternbild: Capricornus
Angular diameter: 3.6"
Status: near western quadrature

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

Rektaszension: 18h26m09s
Deklination: -23°37'36"

Neptune

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

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

Rektaszension: 18h51m31s
Deklination: -22°05'08"

Moon

Excellent
Scheinbare Helligkeit: -12.7
Sternbild: Virgo
Angular diameter: 11995.6"
Status: Moon illumination 13.2%

Observation tip: Moon illumination 13.2%; good for observing lunar surface detail

Rektaszension: 10h38m07s
Deklination: +05°31'40"