April 1989 Himmelshändelser

Observatörens plats:Beijing (39.904°, 116.407°)

Månadsöversikt över himlahändelser

23 himlahändelser totalt, inklusive 4 månfaser och 2 planetära händelser.

Dagliga himlahändelser

Alla tider är i lokal tid (Asia/Shanghai)

Group Datum Soluppgång/Solnedgång Månuppgång/Månnedgång Månfas Himmelshändelser

Planetary outlook

April 1989 mid-month observing conditions

Mercury

Excellent
Skenbar magnitud: -1.4
Stjärnbild: Taurus
Angular diameter: 5.5"
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: 02h14m51s
Deklination: +14°24'53"

Venus

Excellent
Skenbar magnitud: -3.9
Stjärnbild: Aries
Angular diameter: 9.7"
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: 01h43m54s
Deklination: +09°40'01"

Mars

Excellent
Skenbar magnitud: 1.5
Stjärnbild: Gemini
Angular diameter: 4.8"
Status: near western quadrature

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

Rektascension: 05h21m27s
Deklination: +24°31'09"

Jupiter

Excellent
Skenbar magnitud: -2.0
Stjärnbild: Gemini
Angular diameter: 34.1"
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

Rektascension: 04h17m34s
Deklination: +20°50'08"

Saturn

Excellent
Skenbar magnitud: 0.4
Stjärnbild: Capricornus
Angular diameter: 17.0"
Status: near eastern quadrature

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

Rektascension: 18h59m58s
Deklination: -22°03'00"

Uranus

Fair
Skenbar magnitud: 5.7
Stjärnbild: Capricornus
Angular diameter: 3.7"
Status: near eastern quadrature

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

Rektascension: 18h23m13s
Deklination: -23°35'09"

Neptune

Fair
Skenbar magnitud: 7.8
Stjärnbild: Capricornus
Angular diameter: 2.3"
Status: near eastern quadrature

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

Rektascension: 18h53m28s
Deklination: -21°56'48"

Moon

Excellent
Skenbar magnitud: -12.7
Stjärnbild: Leo
Angular diameter: 11647.5"
Status: Moon illumination 69.8%

Observation tip: Moon illumination 69.8%; good for observing lunar surface detail

Rektascension: 09h24m11s
Deklination: +16°42'12"