February 1931 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

February 1931 mid-month observing conditions

Mercury

Excellent
Regimasis ryškis: -0.2
Žvaigždynas: Aquarius
Angular diameter: 5.4"
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: 20h30m42s
Deklinacija: -20°18'29"

Venus

Excellent
Regimasis ryškis: -4.4
Žvaigždynas: Capricornus
Angular diameter: 21.6"
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: 18h38m22s
Deklinacija: -20°24'32"

Mars

Excellent
Regimasis ryškis: -1.0
Žvaigždynas: Leo
Angular diameter: 13.2"
Status: near western quadrature

Observation tip: Very bright, easily visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

Rektascensija: 08h14m34s
Deklinacija: +24°17'02"

Jupiter

Excellent
Regimasis ryškis: -2.5
Žvaigždynas: Cancer
Angular diameter: 44.2"
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: 06h48m29s
Deklinacija: +23°13'18"

Saturn

Excellent
Regimasis ryškis: 0.6
Žvaigždynas: Capricornus
Angular diameter: 15.4"
Status: near eastern quadrature

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

Rektascensija: 19h21m22s
Deklinacija: -21°49'27"

Uranus

Fair
Regimasis ryškis: 5.9
Žvaigždynas: Aries
Angular diameter: 3.4"
Status: near western quadrature

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

Rektascensija: 00h47m45s
Deklinacija: +04°25'55"

Neptune

Fair
Regimasis ryškis: 7.8
Žvaigždynas: Virgo
Angular diameter: 2.3"
Status: near eastern quadrature

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

Rektascensija: 10h27m09s
Deklinacija: +10°28'57"

Moon

Excellent
Regimasis ryškis: -12.7
Žvaigždynas: Aquarius
Angular diameter: 11582.9"
Status: Moon illumination 6.0%

Observation tip: Moon illumination 6.0%; good for observing lunar surface detail

Rektascensija: 20h02m00s
Deklinacija: -25°35'43"