January 1991 Eventos celestes

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

Resumen de eventos celestes mensuales

27 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 1991 mid-month observing conditions

Mercury

Excellent
Magnitud aparente: -0.2
Constelación: Capricornus
Angular diameter: 6.6"
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

Ascensión recta: 18h02m56s
Declinación: -22°00'25"

Venus

Excellent
Magnitud aparente: -3.9
Constelación: Aquarius
Angular diameter: 10.5"
Status: near greatest western elongation

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: 21h00m42s
Declinación: -18°35'07"

Mars

Excellent
Magnitud aparente: -0.6
Constelación: Taurus
Angular diameter: 11.9"
Status: near western quadrature

Observation tip: Very bright, easily visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

Ascensión recta: 03h44m15s
Declinación: +22°14'22"

Jupiter

Excellent
Magnitud aparente: -2.6
Constelación: Leo
Angular diameter: 45.5"
Status: near eastern 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: 08h52m17s
Declinación: +18°19'38"

Saturn

Excellent
Magnitud aparente: 0.5
Constelación: Capricornus
Angular diameter: 15.1"
Status: near western quadrature

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

Ascensión recta: 19h57m37s
Declinación: -20°51'20"

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: 18h46m04s
Declinación: -23°20'29"

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: 19h03m13s
Declinación: -21°51'10"

Moon

Excellent
Magnitud aparente: -12.7
Constelación: Capricornus
Angular diameter: 11531.2"
Status: Moon illumination 0.9%

Observation tip: Moon illumination 0.9%; good for observing lunar surface detail

Ascensión recta: 18h58m47s
Declinación: -24°06'00"