April 1998 Himmelshändelser

Observatörens plats:Beijing (39.904°, 116.407°)

Månadsöversikt över himlahändelser

22 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 1998 mid-month observing conditions

Mercury

Good
Skenbar magnitud: 2.9
Stjärnbild: Aries
Angular diameter: 11.3"
Status: near greatest eastern elongation

Observation tip: Visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Rektascension: 00h39m44s
Deklination: +04°45'44"

Venus

Excellent
Skenbar magnitud: -4.3
Stjärnbild: Pisces
Angular diameter: 20.3"
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: 22h43m34s
Deklination: -08°11'53"

Mars

Excellent
Skenbar magnitud: 1.2
Stjärnbild: Aries
Angular diameter: 3.8"
Status: near western quadrature

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

Rektascension: 01h57m35s
Deklination: +11°44'27"

Jupiter

Excellent
Skenbar magnitud: -2.1
Stjärnbild: Pisces
Angular diameter: 34.3"
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: 23h10m59s
Deklination: -06°18'33"

Saturn

Excellent
Skenbar magnitud: 0.6
Stjärnbild: Aries
Angular diameter: 16.1"
Status: near eastern quadrature

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

Rektascension: 01h30m28s
Deklination: +07°03'10"

Uranus

Fair
Skenbar magnitud: 5.9
Stjärnbild: Aquarius
Angular diameter: 3.5"
Status: near eastern quadrature

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

Rektascension: 20h59m49s
Deklination: -17°42'33"

Neptune

Fair
Skenbar magnitud: nan
Stjärnbild: Aquarius
Angular diameter: 2.3"
Status: near eastern quadrature

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

Rektascension: 20h16m56s
Deklination: -19°21'15"

Moon

Excellent
Skenbar magnitud: -12.7
Stjärnbild: Scorpius
Angular diameter: 11593.0"
Status: Moon illumination 91.5%

Observation tip: Moon illumination 91.5%; good for observing lunar surface detail

Rektascension: 15h49m49s
Deklination: -14°54'47"