January 1987 Eventos celestes

Localización do observador:Beijing (39.904°, 116.407°)

Visión xeral dos planetas

21 eventos do ceo en total, incluíndo 4 fases da Lúa e 2 eventos planetarios.

Eventos celestes

Todas as horas están en hora local (Asia/Shanghai)

Group Data Amencer/posta de sol Saída/posta da Lúa Fase da Lúa Eventos celestes

Planetary outlook

January 1987 mid-month observing conditions

Mercury

Excellent
Magnitude aparente: -1.4
Constelación: Capricornus
Angular diameter: 4.7"
Status: near greatest western elongation

Observation tip: Very bright, easily visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Ascensión recta: 19h52m31s
Declinación: -23°00'11"

Venus

Excellent
Magnitude aparente: -4.5
Constelación: Sagittarius
Angular diameter: 25.1"
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

Ascensión recta: 16h25m01s
Declinación: -17°59'27"

Mars

Excellent
Magnitude aparente: 0.7
Constelación: Aries
Angular diameter: 6.4"
Status: near western quadrature

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

Ascensión recta: 00h16m55s
Declinación: +01°38'17"

Jupiter

Excellent
Magnitude aparente: -2.2
Constelación: Pisces
Angular diameter: 36.2"
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: 23h24m46s
Declinación: -05°04'00"

Saturn

Excellent
Magnitude aparente: 0.5
Constelación: Sagittarius
Angular diameter: 15.4"
Status: near eastern quadrature

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

Ascensión recta: 17h03m37s
Declinación: -21°18'56"

Uranus

Fair
Magnitude aparente: 5.7
Constelación: Sagittarius
Angular diameter: 3.5"
Status: near eastern quadrature

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

Ascensión recta: 17h35m34s
Declinación: -23°26'23"

Neptune

Fair
Magnitude 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: 18h26m50s
Declinación: -22°17'18"

Moon

Excellent
Magnitude aparente: -12.7
Constelación: Cancer
Angular diameter: 11478.7"
Status: Moon illumination 99.8%

Observation tip: Moon illumination 99.8%; good for observing lunar surface detail

Ascensión recta: 07h43m37s
Declinación: +26°19'29"