May 1990 Eventi celesti

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

Panoramica degli eventi celesti mensili

23 eventi celesti in totale, inclusi 5 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 1990 mid-month observing conditions

Mercury

Good
Magnitudine apparente: 2.5
Costellazione: Taurus
Angular diameter: 11.3"
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: 02h26m02s
Declinazione: +11°54'41"

Venus

Excellent
Magnitudine apparente: -4.1
Costellazione: Aries
Angular diameter: 16.1"
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: 00h47m50s
Declinazione: +03°12'01"

Mars

Excellent
Magnitudine apparente: 0.7
Costellazione: Pisces
Angular diameter: 6.4"
Status: near eastern quadrature

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

Ascensione retta: 23h18m25s
Declinazione: -06°20'48"

Jupiter

Excellent
Magnitudine apparente: -1.9
Costellazione: Cancer
Angular diameter: 33.7"
Status: near western 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: 06h41m09s
Declinazione: +23°14'49"

Saturn

Excellent
Magnitudine apparente: 0.4
Costellazione: Capricornus
Angular diameter: 17.5"
Status: near eastern quadrature

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

Ascensione retta: 19h48m44s
Declinazione: -20°56'03"

Uranus

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

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

Ascensione retta: 18h40m07s
Declinazione: -23°26'13"

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: 19h01m57s
Declinazione: -21°48'02"

Moon

Excellent
Magnitudine apparente: -12.7
Costellazione: Capricornus
Angular diameter: 11707.7"
Status: Moon illumination 77.2%

Observation tip: Moon illumination 77.2%; good for observing lunar surface detail

Ascensione retta: 19h31m59s
Declinazione: -23°26'49"