April 1987 Eventi celesti

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

Panoramica degli eventi celesti mensili

21 eventi celesti in totale, inclusi 4 fasi lunari e 0 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

April 1987 mid-month observing conditions

Mercury

Excellent
Magnitudine apparente: -0.3
Costellazione: Aries
Angular diameter: 5.8"
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

Ascensione retta: 00h16m31s
Declinazione: -00°57'11"

Venus

Excellent
Magnitudine apparente: -3.9
Costellazione: Pisces
Angular diameter: 12.8"
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

Ascensione retta: 23h28m08s
Declinazione: -04°52'45"

Mars

Excellent
Magnitudine apparente: 1.6
Costellazione: Gemini
Angular diameter: 4.3"
Status: near western quadrature

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

Ascensione retta: 04h16m42s
Declinazione: +22°13'50"

Jupiter

Excellent
Magnitudine apparente: -2.1
Costellazione: Aries
Angular diameter: 33.3"
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: 00h39m55s
Declinazione: +03°06'46"

Saturn

Excellent
Magnitudine apparente: 0.3
Costellazione: Sagittarius
Angular diameter: 17.6"
Status: near eastern quadrature

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

Ascensione retta: 17h21m13s
Declinazione: -21°32'14"

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: 17h45m21s
Declinazione: -23°32'20"

Neptune

Fair
Magnitudine apparente: 7.9
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: 18h34m32s
Declinazione: -22°09'57"

Moon

Excellent
Magnitudine apparente: -12.7
Costellazione: Scorpius
Angular diameter: 12424.7"
Status: Moon illumination 99.0%

Observation tip: Moon illumination 99.0%; good for observing lunar surface detail

Ascensione retta: 14h11m32s
Declinazione: -15°33'44"