July 1917 Himmelsereignisse

Beobachterstandort:Beijing (39.904°, 116.407°)

Monatliche Himmelsereignisse

24 Himmelereignisse insgesamt, einschließlich 4 Mondphasen und 3 Planetenereignisse.

Tägliche Himmelsereignisse

Alle Zeiten in Ortszeit (Asia/Shanghai)

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

Planetary outlook

July 1917 mid-month observing conditions

Mercury

Excellent
Scheinbare Helligkeit: -1.9
Sternbild: Cancer
Angular diameter: 5.0"
Status: near greatest western elongation

Observation tip: Very bright, easily visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Rektaszension: 07h47m32s
Deklination: +22°49'49"

Venus

Excellent
Scheinbare Helligkeit: -3.9
Sternbild: Leo
Angular diameter: 10.7"
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: 09h04m47s
Deklination: +18°20'32"

Mars

Excellent
Scheinbare Helligkeit: 1.5
Sternbild: Gemini
Angular diameter: 4.1"
Status: near eastern quadrature

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

Rektaszension: 05h21m02s
Deklination: +23°23'54"

Jupiter

Excellent
Scheinbare Helligkeit: -2.1
Sternbild: Gemini
Angular diameter: 35.1"
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: 04h04m34s
Deklination: +19°57'25"

Saturn

Excellent
Scheinbare Helligkeit: 0.3
Sternbild: Leo
Angular diameter: 16.5"
Status: near western quadrature

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

Rektaszension: 08h19m40s
Deklination: +20°00'34"

Uranus

Fair
Scheinbare Helligkeit: 5.8
Sternbild: Aquarius
Angular diameter: 3.7"
Status: near eastern quadrature

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

Rektaszension: 21h42m00s
Deklination: -14°35'43"

Neptune

Fair
Scheinbare Helligkeit: 8.0
Sternbild: Leo
Angular diameter: 2.2"
Status: near western quadrature

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

Rektaszension: 08h25m36s
Deklination: +19°03'02"

Moon

Excellent
Scheinbare Helligkeit: -12.7
Sternbild: Gemini
Angular diameter: 11930.5"
Status: Moon illumination 16.0%

Observation tip: Moon illumination 16.0%; good for observing lunar surface detail

Rektaszension: 04h09m26s
Deklination: +24°10'20"