July 1990 Eventi celesti

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

Panoramica degli eventi celesti mensili

27 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

July 1990 mid-month observing conditions

Mercury

Excellent
Magnitudine apparente: -0.9
Costellazione: Leo
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: 08h34m41s
Declinazione: +20°33'30"

Venus

Excellent
Magnitudine apparente: -3.9
Costellazione: Gemini
Angular diameter: 11.7"
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: 05h33m14s
Declinazione: +22°19'01"

Mars

Excellent
Magnitudine apparente: 0.1
Costellazione: Taurus
Angular diameter: 8.4"
Status: near eastern quadrature

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

Ascensione retta: 02h00m41s
Declinazione: +10°05'43"

Jupiter

Excellent
Magnitudine apparente: -1.8
Costellazione: Cancer
Angular diameter: 31.6"
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: 07h37m05s
Declinazione: +21°48'00"

Saturn

Excellent
Magnitudine apparente: -0.0
Costellazione: Capricornus
Angular diameter: 18.5"
Status: near western quadrature

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

Ascensione retta: 19h35m01s
Declinazione: -21°34'14"

Uranus

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

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

Ascensione retta: 18h30m30s
Declinazione: -23°35'07"

Neptune

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

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

Ascensione retta: 18h55m51s
Declinazione: -21°56'40"

Moon

Excellent
Magnitudine apparente: -12.7
Costellazione: Aries
Angular diameter: 12446.3"
Status: Moon illumination 55.3%

Observation tip: Moon illumination 55.3%; good for observing lunar surface detail

Ascensione retta: 00h52m16s
Declinazione: +10°55'56"