September 1987 Himmelshändelser

Observatörens plats:Beijing (39.904°, 116.407°)

Månadsöversikt över himlahändelser

21 himlahändelser totalt, inklusive 5 månfaser och 0 planetära händelser.

Dagliga himlahändelser

Alla tider är i lokal tid (Asia/Shanghai)

Group Datum Soluppgång/Solnedgång Månuppgång/Månnedgång Månfas Himmelshändelser

Planetary outlook

September 1987 mid-month observing conditions

Mercury

Excellent
Skenbar magnitud: -0.3
Stjärnbild: Libra
Angular diameter: 5.4"
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

Rektascension: 12h41m39s
Deklination: -05°02'12"

Venus

Excellent
Skenbar magnitud: -3.9
Stjärnbild: Virgo
Angular diameter: 9.8"
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: 11h54m06s
Deklination: +02°06'06"

Mars

Excellent
Skenbar magnitud: 1.7
Stjärnbild: Virgo
Angular diameter: 3.5"
Status: near eastern quadrature

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

Rektascension: 11h05m32s
Deklination: +06°59'58"

Jupiter

Excellent
Skenbar magnitud: -2.8
Stjärnbild: Aries
Angular diameter: 47.9"
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: 01h48m34s
Deklination: +09°32'34"

Saturn

Excellent
Skenbar magnitud: 0.4
Stjärnbild: Sagittarius
Angular diameter: 16.5"
Status: near western quadrature

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

Rektascension: 16h55m57s
Deklination: -21°16'58"

Uranus

Fair
Skenbar magnitud: 5.7
Stjärnbild: Sagittarius
Angular diameter: 3.7"
Status: near western quadrature

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

Rektascension: 17h28m34s
Deklination: -23°24'20"

Neptune

Fair
Skenbar magnitud: 7.9
Stjärnbild: Capricornus
Angular diameter: 2.3"
Status: near western quadrature

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

Rektascension: 18h22m37s
Deklination: -22°19'37"

Moon

Excellent
Skenbar magnitud: -12.7
Stjärnbild: Gemini
Angular diameter: 11650.4"
Status: Moon illumination 50.0%

Observation tip: Moon illumination 50.0%; good for observing lunar surface detail

Rektascension: 05h22m36s
Deklination: +28°21'35"