July 1981 Dangaus reiškiniai

Stebėtojo vieta:Beijing (39.904°, 116.407°)

Mėnesio dangaus reiškinių apžvalga

23 astronominių įvykių iš viso, įskaitant 5 Mėnulio fazes ir 1 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 1981 mid-month observing conditions

Mercury

Excellent
Regimasis ryškis: 0.3
Žvaigždynas: Cancer
Angular diameter: 7.8"
Status: near inferior conjunction

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

Rektascensija: 06h07m55s
Deklinacija: +20°49'54"

Venus

Excellent
Regimasis ryškis: -3.9
Žvaigždynas: Leo
Angular diameter: 11.3"
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: 09h25m27s
Deklinacija: +16°51'29"

Mars

Excellent
Regimasis ryškis: 1.6
Žvaigždynas: Gemini
Angular diameter: 3.9"
Status: near eastern quadrature

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

Rektascensija: 05h50m00s
Deklinacija: +23°51'56"

Jupiter

Excellent
Regimasis ryškis: -1.9
Žvaigždynas: Libra
Angular diameter: 34.6"
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: 12h15m31s
Deklinacija: -00°19'18"

Saturn

Excellent
Regimasis ryškis: 0.9
Žvaigždynas: Libra
Angular diameter: 16.9"
Status: near western quadrature

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

Rektascensija: 12h19m30s
Deklinacija: +00°27'04"

Uranus

Fair
Regimasis ryškis: 5.5
Žvaigždynas: Scorpius
Angular diameter: 3.9"
Status: near western quadrature

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

Rektascensija: 15h35m51s
Deklinacija: -19°06'21"

Neptune

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

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

Rektascensija: 17h28m34s
Deklinacija: -21°53'12"

Moon

Excellent
Regimasis ryškis: -12.7
Žvaigždynas: Sagittarius
Angular diameter: 11642.3"
Status: Moon illumination 95.2%

Observation tip: Moon illumination 95.2%; good for observing lunar surface detail

Rektascensija: 17h48m27s
Deklinacija: -20°25'44"