January 1990 Eventi celesti

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

Panoramica degli eventi celesti mensili

24 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

January 1990 mid-month observing conditions

Mercury

Excellent
Magnitudine apparente: 1.7
Costellazione: Capricornus
Angular diameter: 9.6"
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: 18h49m43s
Declinazione: -19°33'09"

Venus

Excellent
Magnitudine apparente: -4.3
Costellazione: Aquarius
Angular diameter: 62.1"
Status: near superior 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: 20h08m02s
Declinazione: -14°46'19"

Mars

Excellent
Magnitudine apparente: 1.5
Costellazione: Sagittarius
Angular diameter: 4.2"
Status: near eastern quadrature

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

Ascensione retta: 17h14m29s
Declinazione: -23°13'00"

Jupiter

Excellent
Magnitudine apparente: -2.7
Costellazione: Cancer
Angular diameter: 46.6"
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: 06h14m55s
Declinazione: +23°18'50"

Saturn

Excellent
Magnitudine apparente: 0.5
Costellazione: Capricornus
Angular diameter: 15.1"
Status: near eastern quadrature

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

Ascensione retta: 19h14m39s
Declinazione: -22°03'13"

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: 18h28m44s
Declinazione: -23°33'03"

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: 18h54m11s
Declinazione: -22°00'29"

Moon

Excellent
Magnitudine apparente: -12.7
Costellazione: Virgo
Angular diameter: 11885.8"
Status: Moon illumination 84.4%

Observation tip: Moon illumination 84.4%; good for observing lunar surface detail

Ascensione retta: 10h47m20s
Declinazione: +05°19'40"