May 1917 Eventi celesti

Posizione dell'osservatore:Beijing (39.904°, 116.407°)

Panoramica degli eventi celesti mensili

22 eventi celesti in totale, inclusi 4 fasi lunari e 2 eventi planetari.

Eventi celesti giornalieri

Tutti gli orari sono in ora locale (Asia/Shanghai)

Group Data Alba/Tramonto Sorgere/Tramontare della Luna Fase lunare Eventi celesti

Planetary outlook

May 1917 mid-month observing conditions

Mercury

Fair
Magnitudine apparente: 6.4
Costellazione: Taurus
Angular diameter: 12.1"
Status: near superior conjunction

Observation tip: A telescope is required; Mercury stays close to the Sun; best seen at dusk or dawn

Ascensione retta: 03h36m40s
Declinazione: +19°05'32"

Venus

Excellent
Magnitudine apparente: -3.9
Costellazione: Taurus
Angular diameter: 9.7"
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

Ascensione retta: 03h45m18s
Declinazione: +19°35'00"

Mars

Excellent
Magnitudine apparente: 1.3
Costellazione: Taurus
Angular diameter: 3.9"
Status: near eastern quadrature

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

Ascensione retta: 02h21m13s
Declinazione: +13°37'11"

Jupiter

Excellent
Magnitudine apparente: -2.0
Costellazione: Taurus
Angular diameter: 32.8"
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

Ascensione retta: 03h09m22s
Declinazione: +16°49'00"

Saturn

Excellent
Magnitudine apparente: 0.2
Costellazione: Cancer
Angular diameter: 17.5"
Status: near western quadrature

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

Ascensione retta: 07h51m29s
Declinazione: +21°20'14"

Uranus

Fair
Magnitudine apparente: 5.9
Costellazione: Aquarius
Angular diameter: 3.5"
Status: near eastern quadrature

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

Ascensione retta: 21h44m49s
Declinazione: -14°19'13"

Neptune

Fair
Magnitudine apparente: 7.9
Costellazione: Leo
Angular diameter: 2.2"
Status: near western quadrature

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

Ascensione retta: 08h18m21s
Declinazione: +19°26'29"

Moon

Excellent
Magnitudine apparente: -12.7
Costellazione: Pisces
Angular diameter: 12569.6"
Status: Moon illumination 39.6%

Observation tip: Moon illumination 39.6%; good for observing lunar surface detail

Ascensione retta: 22h24m14s
Declinazione: -05°31'08"