February 1990 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 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

February 1990 mid-month observing conditions

Mercury

Excellent
Magnitudine apparente: -0.2
Costellazione: Aquarius
Angular diameter: 5.6"
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: 20h26m39s
Declinazione: -20°17'34"

Venus

Excellent
Magnitudine apparente: -4.9
Costellazione: Capricornus
Angular diameter: 45.8"
Status: near greatest eastern 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: 19h29m42s
Declinazione: -15°04'36"

Mars

Excellent
Magnitudine apparente: 1.3
Costellazione: Capricornus
Angular diameter: 4.6"
Status: near eastern quadrature

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

Ascensione retta: 18h51m54s
Declinazione: -23°28'48"

Jupiter

Excellent
Magnitudine apparente: -2.5
Costellazione: Cancer
Angular diameter: 43.4"
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: 06h04m13s
Declinazione: +23°25'42"

Saturn

Excellent
Magnitudine apparente: 0.6
Costellazione: Capricornus
Angular diameter: 15.4"
Status: near eastern quadrature

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

Ascensione retta: 19h29m33s
Declinazione: -21°35'59"

Uranus

Fair
Magnitudine apparente: 5.8
Costellazione: Capricornus
Angular diameter: 3.5"
Status: near eastern quadrature

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

Ascensione retta: 18h35m49s
Declinazione: -23°28'06"

Neptune

Fair
Magnitudine apparente: 7.9
Costellazione: Capricornus
Angular diameter: 2.2"
Status: near eastern quadrature

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

Ascensione retta: 18h58m45s
Declinazione: -21°54'13"

Moon

Excellent
Magnitudine apparente: -12.7
Costellazione: Libra
Angular diameter: 11544.9"
Status: Moon illumination 75.2%

Observation tip: Moon illumination 75.2%; good for observing lunar surface detail

Ascensione retta: 13h27m59s
Declinazione: -14°32'07"