May 1991 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 1 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

May 1991 mid-month observing conditions

Mercury

Excellent
Magnitud aparente: 0.4
Constelación: Aries
Angular diameter: 7.8"
Status: near inferior conjunction

Observation tip: Visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Ascensión recta: 01h47m57s
Declinación: +07°40'06"

Venus

Excellent
Magnitud aparente: -4.2
Constelación: Cancer
Angular diameter: 17.6"
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: 06h29m21s
Declinación: +25°50'58"

Mars

Excellent
Magnitud aparente: 1.5
Constelación: Cancer
Angular diameter: 4.9"
Status: near western quadrature

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

Ascensión recta: 07h41m48s
Declinación: +22°59'37"

Jupiter

Excellent
Magnitud aparente: -2.0
Constelación: Leo
Angular diameter: 35.6"
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: 08h36m40s
Declinación: +19°21'19"

Saturn

Excellent
Magnitud aparente: 0.5
Constelación: Aquarius
Angular diameter: 17.3"
Status: near eastern quadrature

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

Ascensión recta: 20h37m17s
Declinación: -18°53'54"

Uranus

Fair
Magnitud aparente: 5.7
Constelación: Capricornus
Angular diameter: 3.7"
Status: near eastern quadrature

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

Ascensión recta: 18h58m56s
Declinación: -23°07'05"

Neptune

Fair
Magnitud aparente: 7.8
Constelación: Capricornus
Angular diameter: 2.3"
Status: near eastern quadrature

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

Ascensión recta: 19h11m30s
Declinación: -21°36'24"

Moon

Excellent
Magnitud aparente: -12.7
Constelación: Gemini
Angular diameter: 12886.4"
Status: Moon illumination 1.1%

Observation tip: Moon illumination 1.1%; good for observing lunar surface detail

Ascensión recta: 04h09m11s
Declinación: +24°42'00"