April 1998 Hemelgebeurtenissen

Waarnemer locatie:Beijing (39.904°, 116.407°)

Maandelijks overzicht hemelgebeurtenissen

22 hemelgebeurtenissen totaal, inclusief 4 maanfasen en 2 planetaire gebeurtenissen.

Dagelijkse hemelgebeurtenissen

Alle tijden zijn in lokale tijd (Asia/Shanghai)

Group Datum Zonsopgang/Zonsondergang Maansopgang/Maansondergang Maanfase Hemelgebeurtenissen

Planetary outlook

April 1998 mid-month observing conditions

Mercury

Good
Schijnbare helderheid: 2.9
Sterrenbeeld: 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

Rechte klimming: 00h39m44s
Declinatie: +04°45'44"

Venus

Excellent
Schijnbare helderheid: -4.3
Sterrenbeeld: 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

Rechte klimming: 22h43m34s
Declinatie: -08°11'53"

Mars

Excellent
Schijnbare helderheid: 1.2
Sterrenbeeld: 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

Rechte klimming: 01h57m35s
Declinatie: +11°44'27"

Jupiter

Excellent
Schijnbare helderheid: -2.1
Sterrenbeeld: 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

Rechte klimming: 23h10m59s
Declinatie: -06°18'33"

Saturn

Excellent
Schijnbare helderheid: 0.6
Sterrenbeeld: 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

Rechte klimming: 01h30m28s
Declinatie: +07°03'10"

Uranus

Fair
Schijnbare helderheid: 5.9
Sterrenbeeld: Aquarius
Angular diameter: 3.5"
Status: near eastern quadrature

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

Rechte klimming: 20h59m49s
Declinatie: -17°42'33"

Neptune

Fair
Schijnbare helderheid: nan
Sterrenbeeld: Aquarius
Angular diameter: 2.3"
Status: near eastern quadrature

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

Rechte klimming: 20h16m56s
Declinatie: -19°21'15"

Moon

Excellent
Schijnbare helderheid: -12.7
Sterrenbeeld: Scorpius
Angular diameter: 11593.0"
Status: Moon illumination 91.5%

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

Rechte klimming: 15h49m49s
Declinatie: -14°54'47"