January 1990 Eventos celestes

Ubicación del observador:Beijing (39.904°, 116.407°)

Resumen de eventos celestes mensuales

24 eventos celestes en total, incluidos 4 fases lunares y 4 eventos planetarios.

Eventos celestes diarios

Todas las horas en hora local (Asia/Shanghai)

Group Fecha Amanecer/Atardecer Salida/Puesta de la Luna Fase lunar Eventos celestes

Planetary outlook

January 1990 mid-month observing conditions

Mercury

Excellent
Magnitud aparente: 1.7
Constelación: 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

Ascensión recta: 18h49m43s
Declinación: -19°33'09"

Venus

Excellent
Magnitud aparente: -4.3
Constelación: 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

Ascensión recta: 20h08m02s
Declinación: -14°46'19"

Mars

Excellent
Magnitud aparente: 1.5
Constelación: 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

Ascensión recta: 17h14m29s
Declinación: -23°13'00"

Jupiter

Excellent
Magnitud aparente: -2.7
Constelación: 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

Ascensión recta: 06h14m55s
Declinación: +23°18'50"

Saturn

Excellent
Magnitud aparente: 0.5
Constelación: 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

Ascensión recta: 19h14m39s
Declinación: -22°03'13"

Uranus

Fair
Magnitud aparente: 5.8
Constelación: Capricornus
Angular diameter: 3.5"
Status: near eastern quadrature

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

Ascensión recta: 18h28m44s
Declinación: -23°33'03"

Neptune

Fair
Magnitud aparente: 7.9
Constelación: Capricornus
Angular diameter: 2.2"
Status: near eastern quadrature

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

Ascensión recta: 18h54m11s
Declinación: -22°00'29"

Moon

Excellent
Magnitud aparente: -12.7
Constelación: Virgo
Angular diameter: 11885.8"
Status: Moon illumination 84.4%

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

Ascensión recta: 10h47m20s
Declinación: +05°19'40"