April 1999 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 4 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 1999 mid-month observing conditions

Mercury

Excellent
Magnitudine apparente: 0.5
Costellazione: Pisces
Angular diameter: 8.0"
Status: near greatest eastern elongation

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

Ascensione retta: 23h52m50s
Declinazione: -03°02'39"

Venus

Excellent
Magnitudine apparente: -4.0
Costellazione: Gemini
Angular diameter: 14.5"
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: 04h01m58s
Declinazione: +22°14'09"

Mars

Excellent
Magnitudine apparente: -1.5
Costellazione: Scorpius
Angular diameter: 15.5"
Status: near eastern quadrature

Observation tip: Very bright, easily visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

Ascensione retta: 14h22m59s
Declinazione: -12°26'27"

Jupiter

Excellent
Magnitudine apparente: -2.1
Costellazione: Aries
Angular diameter: 33.2"
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: 00h54m40s
Declinazione: +04°40'12"

Saturn

Excellent
Magnitudine apparente: 0.4
Costellazione: Taurus
Angular diameter: 16.3"
Status: near western quadrature

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

Ascensione retta: 02h14m29s
Declinazione: +11°10'34"

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: 21h15m35s
Declinazione: -16°35'35"

Neptune

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

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

Ascensione retta: 20h25m58s
Declinazione: -18°55'04"

Moon

Excellent
Magnitudine apparente: -12.7
Costellazione: Aries
Angular diameter: 12805.5"
Status: Moon illumination 2.2%

Observation tip: Moon illumination 2.2%; good for observing lunar surface detail

Ascensione retta: 00h35m38s
Declinazione: -00°15'12"