April 2002 Himmelshändelser

Observatörens plats:Beijing (39.904°, 116.407°)

Månadsöversikt över himlahändelser

22 himlahändelser totalt, inklusive 4 månfaser och 1 planetära händelser.

Dagliga himlahändelser

Alla tider är i lokal tid (Asia/Shanghai)

Group Datum Soluppgång/Solnedgång Månuppgång/Månnedgång Månfas Himmelshändelser

Planetary outlook

April 2002 mid-month observing conditions

Mercury

Excellent
Skenbar magnitud: -1.6
Stjärnbild: Taurus
Angular diameter: 5.3"
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: 02h03m40s
Deklination: +12°58'49"

Venus

Excellent
Skenbar magnitud: -3.9
Stjärnbild: Taurus
Angular diameter: 10.8"
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: 02h57m33s
Deklination: +16°55'10"

Mars

Excellent
Skenbar magnitud: 1.5
Stjärnbild: Taurus
Angular diameter: 4.2"
Status: near western quadrature

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

Rektascension: 03h54m15s
Deklination: +21°01'25"

Jupiter

Excellent
Skenbar magnitud: -2.1
Stjärnbild: Cancer
Angular diameter: 36.5"
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: 06h37m36s
Deklination: +23°20'59"

Saturn

Excellent
Skenbar magnitud: 0.1
Stjärnbild: Gemini
Angular diameter: 17.1"
Status: near western quadrature

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

Rektascension: 04h41m43s
Deklination: +20°48'16"

Uranus

Fair
Skenbar magnitud: 5.9
Stjärnbild: Pisces
Angular diameter: 3.4"
Status: near eastern quadrature

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

Rektascension: 22h01m15s
Deklination: -12°52'42"

Neptune

Fair
Skenbar magnitud: 7.8
Stjärnbild: Aquarius
Angular diameter: 2.2"
Status: near eastern quadrature

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

Rektascension: 20h52m44s
Deklination: -17°27'02"

Moon

Excellent
Skenbar magnitud: -12.7
Stjärnbild: Taurus
Angular diameter: 11663.2"
Status: Moon illumination 4.5%

Observation tip: Moon illumination 4.5%; good for observing lunar surface detail

Rektascension: 03h10m06s
Deklination: +15°06'06"