May 1998 Himmelbegivenheder

Observatørens placering:Beijing (39.904°, 116.407°)

Månedlig oversigt over himmelbegivenheder

21 himmelbegivenheder i alt, inklusive 4 månefaser og 2 planetariske begivenheder.

Daglige himmelbegivenheder

Alle tider er i lokal tid (Asia/Shanghai)

Group Dato Solopgang/Solnedgang Måneopgang/Månenedgang Månefase Himmelbegivenheder

Planetary outlook

May 1998 mid-month observing conditions

Mercury

Excellent
Tilsyneladende magnitude: 0.0
Stjernebillede: Aries
Angular diameter: 6.7"
Status: near inferior conjunction

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

Rektascension: 01h55m19s
Deklination: +08°41'04"

Venus

Excellent
Tilsyneladende magnitude: -4.1
Stjernebillede: Aries
Angular diameter: 15.9"
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: 00h49m33s
Deklination: +03°22'06"

Mars

Excellent
Tilsyneladende magnitude: 1.2
Stjernebillede: Taurus
Angular diameter: 3.8"
Status: near eastern quadrature

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

Rektascension: 03h24m09s
Deklination: +18°41'55"

Jupiter

Excellent
Tilsyneladende magnitude: -2.2
Stjernebillede: Pisces
Angular diameter: 36.6"
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: 23h32m35s
Deklination: -04°06'51"

Saturn

Excellent
Tilsyneladende magnitude: 0.6
Stjernebillede: Aries
Angular diameter: 16.3"
Status: near eastern quadrature

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

Rektascension: 01h44m27s
Deklination: +08°22'26"

Uranus

Fair
Tilsyneladende magnitude: 5.8
Stjernebillede: Aquarius
Angular diameter: 3.6"
Status: near eastern quadrature

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

Rektascension: 21h01m35s
Deklination: -17°36'18"

Neptune

Fair
Tilsyneladende magnitude: 7.8
Stjernebillede: Aquarius
Angular diameter: 2.3"
Status: near eastern quadrature

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

Rektascension: 20h17m14s
Deklination: -19°20'13"

Moon

Excellent
Tilsyneladende magnitude: -12.7
Stjernebillede: Capricornus
Angular diameter: 11866.8"
Status: Moon illumination 88.9%

Observation tip: Moon illumination 88.9%; good for observing lunar surface detail

Rektascension: 18h11m55s
Deklination: -18°52'58"