May 1999 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 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 1999 mid-month observing conditions

Mercury

Excellent
Magnitudine apparente: -1.1
Costellazione: Taurus
Angular diameter: 5.3"
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: 02h37m46s
Declinazione: +13°57'11"

Venus

Excellent
Magnitudine apparente: -4.2
Costellazione: Cancer
Angular diameter: 18.0"
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: 06h31m02s
Declinazione: +25°52'15"

Mars

Excellent
Magnitudine apparente: -1.4
Costellazione: Libra
Angular diameter: 15.7"
Status: near western quadrature

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

Ascensione retta: 13h41m36s
Declinazione: -10°01'35"

Jupiter

Excellent
Magnitudine apparente: -2.1
Costellazione: Aries
Angular diameter: 34.1"
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

Ascensione retta: 01h20m39s
Declinazione: +07°17'52"

Saturn

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

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

Ascensione retta: 02h29m13s
Declinazione: +12°25'07"

Uranus

Fair
Magnitudine apparente: 5.8
Costellazione: Aquarius
Angular diameter: 3.6"
Status: near eastern quadrature

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

Ascensione retta: 21h17m44s
Declinazione: -16°26'59"

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: 20h26m26s
Declinazione: -18°53'28"

Moon

Excellent
Magnitudine apparente: -12.7
Costellazione: Taurus
Angular diameter: 13014.7"
Status: Moon illumination 0.6%

Observation tip: Moon illumination 0.6%; good for observing lunar surface detail

Ascensione retta: 03h02m01s
Declinazione: +11°58'07"