July 1987 Dangaus reiškiniai

Stebėtojo vieta:Beijing (39.904°, 116.407°)

Mėnesio dangaus reiškinių apžvalga

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

Dienos dangaus reiškiniai

Visi laikai nurodyti vietos laiku (Asia/Shanghai)

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

Planetary outlook

July 1987 mid-month observing conditions

Mercury

Good
Regimasis ryškis: 2.1
Žvaigždynas: Cancer
Angular diameter: 10.1"
Status: near greatest eastern elongation

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

Rektascensija: 06h31m13s
Deklinacija: +18°51'53"

Venus

Excellent
Regimasis ryškis: -3.9
Žvaigždynas: Cancer
Angular diameter: 9.9"
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

Rektascensija: 06h48m55s
Deklinacija: +23°12'09"

Mars

Excellent
Regimasis ryškis: 1.8
Žvaigždynas: Leo
Angular diameter: 3.6"
Status: near western quadrature

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

Rektascensija: 08h31m49s
Deklinacija: +20°04'16"

Jupiter

Excellent
Regimasis ryškis: -2.4
Žvaigždynas: Aries
Angular diameter: 39.8"
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: 01h44m45s
Deklinacija: +09°26'35"

Saturn

Excellent
Regimasis ryškis: 0.2
Žvaigždynas: Sagittarius
Angular diameter: 18.1"
Status: near western quadrature

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

Rektascensija: 16h57m43s
Deklinacija: -21°07'18"

Uranus

Fair
Regimasis ryškis: 5.6
Žvaigždynas: Sagittarius
Angular diameter: 3.8"
Status: near western quadrature

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

Rektascensija: 17h32m12s
Deklinacija: -23°26'44"

Neptune

Fair
Regimasis ryškis: 7.8
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: 18h26m46s
Deklinacija: -22°15'03"

Moon

Excellent
Regimasis ryškis: -12.7
Žvaigždynas: Pisces
Angular diameter: 12637.2"
Status: Moon illumination 79.5%

Observation tip: Moon illumination 79.5%; good for observing lunar surface detail

Rektascensija: 23h10m56s
Deklinacija: -07°04'39"