January 1917 Himmelsereignisse

Beobachterstandort:Beijing (39.904°, 116.407°)

Monatliche Himmelsereignisse

25 Himmelereignisse insgesamt, einschließlich 4 Mondphasen und 4 Planetenereignisse.

Tägliche Himmelsereignisse

Alle Zeiten in Ortszeit (Asia/Shanghai)

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

Planetary outlook

January 1917 mid-month observing conditions

Mercury

Good
Scheinbare Helligkeit: 2.5
Sternbild: Aquarius
Angular diameter: 9.5"
Status: near superior conjunction

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

Rektaszension: 20h21m09s
Deklination: -17°14'45"

Venus

Excellent
Scheinbare Helligkeit: -3.9
Sternbild: Sagittarius
Angular diameter: 11.2"
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: 17h57m34s
Deklination: -22°50'56"

Mars

Excellent
Scheinbare Helligkeit: 1.1
Sternbild: Aquarius
Angular diameter: 4.0"
Status: near western quadrature

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

Rektaszension: 20h27m34s
Deklination: -20°15'04"

Jupiter

Excellent
Scheinbare Helligkeit: -2.4
Sternbild: Aries
Angular diameter: 40.8"
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: 01h40m01s
Deklination: +09°07'12"

Saturn

Excellent
Scheinbare Helligkeit: -0.3
Sternbild: Cancer
Angular diameter: 20.6"
Status: near eastern quadrature

Observation tip: Very bright, easily visible to the naked eye; Saturn’s rings require a telescope to see clearly

Rektaszension: 07h57m55s
Deklination: +20°53'21"

Uranus

Fair
Scheinbare Helligkeit: 6.0
Sternbild: Aquarius
Angular diameter: 3.4"
Status: near western quadrature

Observation tip: A telescope is required; Binoculars or a telescope are recommended

Rektaszension: 21h23m44s
Deklination: -15°59'58"

Neptune

Fair
Scheinbare Helligkeit: 7.8
Sternbild: Leo
Angular diameter: 2.4"
Status: near eastern quadrature

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

Rektaszension: 08h24m03s
Deklination: +19°05'25"

Moon

Excellent
Scheinbare Helligkeit: -12.7
Sternbild: Libra
Angular diameter: 11728.1"
Status: Moon illumination 64.8%

Observation tip: Moon illumination 64.8%; good for observing lunar surface detail

Rektaszension: 12h17m55s
Deklination: -07°34'24"