September 1998 Dangaus reiškiniai

Stebėtojo vieta:Beijing (39.904°, 116.407°)

Mėnesio dangaus reiškinių apžvalga

21 astronominių įvykių iš viso, įskaitant 4 Mėnulio fazes ir 2 planetinius įvykius.

Dienos dangaus reiškiniai

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Group Data Saulėtekis/Saulėlydis Mėnulio patekėjimas/leidimasis Mėnulio fazė Dangaus reiškiniai

Planetary outlook

September 1998 mid-month observing conditions

Mercury

Excellent
Regimasis ryškis: -1.3
Žvaigždynas: Virgo
Angular diameter: 5.3"
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

Rektascensija: 10h57m56s
Deklinacija: +08°34'00"

Venus

Excellent
Regimasis ryškis: -3.9
Žvaigždynas: Virgo
Angular diameter: 10.0"
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

Rektascensija: 10h48m42s
Deklinacija: +09°00'23"

Mars

Excellent
Regimasis ryškis: 1.7
Žvaigždynas: Leo
Angular diameter: 4.0"
Status: near eastern quadrature

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

Rektascensija: 09h15m25s
Deklinacija: +17°08'50"

Jupiter

Excellent
Regimasis ryškis: -2.9
Žvaigždynas: Pisces
Angular diameter: 49.7"
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

Rektascensija: 23h37m31s
Deklinacija: -04°07'47"

Saturn

Excellent
Regimasis ryškis: 0.2
Žvaigždynas: Taurus
Angular diameter: 19.5"
Status: near eastern quadrature

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

Rektascensija: 02h06m20s
Deklinacija: +09°55'10"

Uranus

Fair
Regimasis ryškis: 5.8
Žvaigždynas: Aquarius
Angular diameter: 3.7"
Status: near western quadrature

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

Rektascensija: 20h47m33s
Deklinacija: -18°35'09"

Neptune

Fair
Regimasis ryškis: 7.8
Žvaigždynas: Aquarius
Angular diameter: 2.3"
Status: near western quadrature

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

Rektascensija: 20h06m38s
Deklinacija: -19°54'38"

Moon

Excellent
Regimasis ryškis: -12.7
Žvaigždynas: Cancer
Angular diameter: 12136.6"
Status: Moon illumination 29.8%

Observation tip: Moon illumination 29.8%; good for observing lunar surface detail

Rektascensija: 07h07m28s
Deklinacija: +18°45'19"