May 1987 Eventi celesti

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

Panoramica degli eventi celesti mensili

23 eventi celesti in totale, inclusi 4 fasi lunari e 1 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 1987 mid-month observing conditions

Mercury

Excellent
Magnitudine apparente: -1.5
Costellazione: Gemini
Angular diameter: 5.3"
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

Ascensione retta: 04h01m22s
Declinazione: +21°53'45"

Venus

Excellent
Magnitudine apparente: -3.9
Costellazione: Aries
Angular diameter: 11.3"
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

Ascensione retta: 01h42m34s
Declinazione: +08°49'55"

Mars

Excellent
Magnitudine apparente: 1.7
Costellazione: Gemini
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

Ascensione retta: 05h42m27s
Declinazione: +24°25'35"

Jupiter

Excellent
Magnitudine apparente: -2.1
Costellazione: Aries
Angular diameter: 34.4"
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: 01h05m24s
Declinazione: +05°44'24"

Saturn

Excellent
Magnitudine apparente: 0.1
Costellazione: Sagittarius
Angular diameter: 18.2"
Status: near eastern quadrature

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

Ascensione retta: 17h15m27s
Declinazione: -21°25'01"

Uranus

Fair
Magnitudine apparente: 5.6
Costellazione: Sagittarius
Angular diameter: 3.8"
Status: near eastern quadrature

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

Ascensione retta: 17h42m23s
Declinazione: -23°31'38"

Neptune

Fair
Magnitudine apparente: 7.8
Costellazione: Capricornus
Angular diameter: 2.3"
Status: near eastern quadrature

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

Ascensione retta: 18h33m12s
Declinazione: -22°10'23"

Moon

Excellent
Magnitudine apparente: -12.7
Costellazione: Sagittarius
Angular diameter: 12773.7"
Status: Moon illumination 96.9%

Observation tip: Moon illumination 96.9%; good for observing lunar surface detail

Ascensione retta: 16h46m29s
Declinazione: -26°58'52"