October 1987 Himmelshändelser

Observatörens plats:Beijing (39.904°, 116.407°)

Månadsöversikt över himlahändelser

24 himlahändelser totalt, inklusive 4 månfaser och 3 planetära händelser.

Dagliga himlahändelser

Alla tider är i lokal tid (Asia/Shanghai)

Group Datum Soluppgång/Solnedgång Månuppgång/Månnedgång Månfas Himmelshändelser

Planetary outlook

October 1987 mid-month observing conditions

Mercury

Excellent
Skenbar magnitud: 0.4
Stjärnbild: 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

Rektascension: 14h38m05s
Deklination: -18°55'34"

Venus

Excellent
Skenbar magnitud: -3.9
Stjärnbild: 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

Rektascension: 14h12m11s
Deklination: -12°42'54"

Mars

Excellent
Skenbar magnitud: 1.8
Stjärnbild: 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

Rektascension: 12h16m09s
Deklination: -00°40'56"

Jupiter

Excellent
Skenbar magnitud: -2.9
Stjärnbild: 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

Rektascension: 01h35m36s
Deklination: +08°15'47"

Saturn

Excellent
Skenbar magnitud: 0.5
Stjärnbild: 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

Rektascension: 17h04m02s
Deklination: -21°34'03"

Uranus

Fair
Skenbar magnitud: 5.7
Stjärnbild: Sagittarius
Angular diameter: 3.6"
Status: near western quadrature

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

Rektascension: 17h31m40s
Deklination: -23°26'35"

Neptune

Fair
Skenbar magnitud: 7.9
Stjärnbild: Capricornus
Angular diameter: 2.2"
Status: near western quadrature

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

Rektascension: 18h23m31s
Deklination: -22°20'24"

Moon

Excellent
Skenbar magnitud: -12.7
Stjärnbild: Cancer
Angular diameter: 11519.7"
Status: Moon illumination 47.8%

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

Rektascension: 07h46m22s
Deklination: +26°10'02"