July 1990 Dangaus reiškiniai

Stebėtojo vieta:Beijing (39.904°, 116.407°)

Mėnesio dangaus reiškinių apžvalga

27 astronominių įvykių iš viso, įskaitant 4 Mėnulio fazes ir 4 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 1990 mid-month observing conditions

Mercury

Excellent
Regimasis ryškis: -0.9
Žvaigždynas: Leo
Angular diameter: 5.3"
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: 08h34m41s
Deklinacija: +20°33'30"

Venus

Excellent
Regimasis ryškis: -3.9
Žvaigždynas: Gemini
Angular diameter: 11.7"
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: 05h33m14s
Deklinacija: +22°19'01"

Mars

Excellent
Regimasis ryškis: 0.1
Žvaigždynas: Taurus
Angular diameter: 8.4"
Status: near eastern quadrature

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

Rektascensija: 02h00m41s
Deklinacija: +10°05'43"

Jupiter

Excellent
Regimasis ryškis: -1.8
Žvaigždynas: Cancer
Angular diameter: 31.6"
Status: near western 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: 07h37m05s
Deklinacija: +21°48'00"

Saturn

Excellent
Regimasis ryškis: -0.0
Žvaigždynas: Capricornus
Angular diameter: 18.5"
Status: near western quadrature

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

Rektascensija: 19h35m01s
Deklinacija: -21°34'14"

Uranus

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

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

Rektascensija: 18h30m30s
Deklinacija: -23°35'07"

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: 18h55m51s
Deklinacija: -21°56'40"

Moon

Excellent
Regimasis ryškis: -12.7
Žvaigždynas: Aries
Angular diameter: 12446.3"
Status: Moon illumination 55.3%

Observation tip: Moon illumination 55.3%; good for observing lunar surface detail

Rektascensija: 00h52m16s
Deklinacija: +10°55'56"