April 1987 Himmelshändelser

Observatörens plats:Beijing (39.904°, 116.407°)

Månadsöversikt över himlahändelser

21 himlahändelser totalt, inklusive 4 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

April 1987 mid-month observing conditions

Mercury

Excellent
Skenbar magnitud: -0.3
Stjärnbild: Aries
Angular diameter: 5.8"
Status: near inferior conjunction

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

Rektascension: 00h16m31s
Deklination: -00°57'11"

Venus

Excellent
Skenbar magnitud: -3.9
Stjärnbild: Pisces
Angular diameter: 12.8"
Status: near inferior conjunction

Observation tip: Very bright, easily visible to the naked eye; Venus is the brightest planet and is best seen at dusk or dawn

Rektascension: 23h28m08s
Deklination: -04°52'45"

Mars

Excellent
Skenbar magnitud: 1.6
Stjärnbild: Gemini
Angular diameter: 4.3"
Status: near western quadrature

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

Rektascension: 04h16m42s
Deklination: +22°13'50"

Jupiter

Excellent
Skenbar magnitud: -2.1
Stjärnbild: Aries
Angular diameter: 33.3"
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: 00h39m55s
Deklination: +03°06'46"

Saturn

Excellent
Skenbar magnitud: 0.3
Stjärnbild: Sagittarius
Angular diameter: 17.6"
Status: near eastern quadrature

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

Rektascension: 17h21m13s
Deklination: -21°32'14"

Uranus

Fair
Skenbar magnitud: 5.6
Stjärnbild: Sagittarius
Angular diameter: 3.8"
Status: near eastern quadrature

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

Rektascension: 17h45m21s
Deklination: -23°32'20"

Neptune

Fair
Skenbar magnitud: 7.9
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: 18h34m32s
Deklination: -22°09'57"

Moon

Excellent
Skenbar magnitud: -12.7
Stjärnbild: Scorpius
Angular diameter: 12424.7"
Status: Moon illumination 99.0%

Observation tip: Moon illumination 99.0%; good for observing lunar surface detail

Rektascension: 14h11m32s
Deklination: -15°33'44"