October 1987 Eventos celestes

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

Visión xeral dos planetas

24 eventos do ceo en total, incluíndo 4 fases da Lúa e 3 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

October 1987 mid-month observing conditions

Mercury

Excellent
Magnitude aparente: 0.4
Constelación: Scorpius
Angular diameter: 8.3"
Status: near superior conjunction

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

Ascensión recta: 14h38m05s
Declinación: -18°55'34"

Venus

Excellent
Magnitude aparente: -3.9
Constelación: Scorpius
Angular diameter: 10.1"
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: 14h12m11s
Declinación: -12°42'54"

Mars

Excellent
Magnitude aparente: 1.8
Constelación: Libra
Angular diameter: 3.6"
Status: near eastern quadrature

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

Ascensión recta: 12h16m09s
Declinación: -00°40'56"

Jupiter

Excellent
Magnitude aparente: -2.9
Constelación: Aries
Angular diameter: 49.8"
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: 01h35m36s
Declinación: +08°15'47"

Saturn

Excellent
Magnitude aparente: 0.5
Constelación: Sagittarius
Angular diameter: 15.7"
Status: near western quadrature

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

Ascensión recta: 17h04m02s
Declinación: -21°34'03"

Uranus

Fair
Magnitude aparente: 5.7
Constelación: Sagittarius
Angular diameter: 3.6"
Status: near western quadrature

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

Ascensión recta: 17h31m40s
Declinación: -23°26'35"

Neptune

Fair
Magnitude aparente: 7.9
Constelación: Capricornus
Angular diameter: 2.2"
Status: near western quadrature

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

Ascensión recta: 18h23m31s
Declinación: -22°20'24"

Moon

Excellent
Magnitude aparente: -12.7
Constelación: Cancer
Angular diameter: 11519.7"
Status: Moon illumination 47.8%

Observation tip: Moon illumination 47.8%; good for observing lunar surface detail

Ascensión recta: 07h46m22s
Declinación: +26°10'02"