September 1987 Dangaus reiškiniai

Stebėtojo vieta:Beijing (39.904°, 116.407°)

Mėnesio dangaus reiškinių apžvalga

21 astronominių įvykių iš viso, įskaitant 5 Mėnulio fazes ir 0 planetinius įvykius.

Dienos dangaus reiškiniai

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

Planetary outlook

September 1987 mid-month observing conditions

Mercury

Excellent
Regimasis ryškis: -0.3
Žvaigždynas: Libra
Angular diameter: 5.4"
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

Rektascensija: 12h41m39s
Deklinacija: -05°02'12"

Venus

Excellent
Regimasis ryškis: -3.9
Žvaigždynas: Virgo
Angular diameter: 9.8"
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

Rektascensija: 11h54m06s
Deklinacija: +02°06'06"

Mars

Excellent
Regimasis ryškis: 1.7
Žvaigždynas: Virgo
Angular diameter: 3.5"
Status: near eastern quadrature

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

Rektascensija: 11h05m32s
Deklinacija: +06°59'58"

Jupiter

Excellent
Regimasis ryškis: -2.8
Žvaigždynas: Aries
Angular diameter: 47.9"
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: 01h48m34s
Deklinacija: +09°32'34"

Saturn

Excellent
Regimasis ryškis: 0.4
Žvaigždynas: Sagittarius
Angular diameter: 16.5"
Status: near western quadrature

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

Rektascensija: 16h55m57s
Deklinacija: -21°16'58"

Uranus

Fair
Regimasis ryškis: 5.7
Žvaigždynas: Sagittarius
Angular diameter: 3.7"
Status: near western quadrature

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

Rektascensija: 17h28m34s
Deklinacija: -23°24'20"

Neptune

Fair
Regimasis ryškis: 7.9
Žvaigždynas: Capricornus
Angular diameter: 2.3"
Status: near western quadrature

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

Rektascensija: 18h22m37s
Deklinacija: -22°19'37"

Moon

Excellent
Regimasis ryškis: -12.7
Žvaigždynas: Gemini
Angular diameter: 11650.4"
Status: Moon illumination 50.0%

Observation tip: Moon illumination 50.0%; good for observing lunar surface detail

Rektascensija: 05h22m36s
Deklinacija: +28°21'35"