February 1931 Astronomické jevy

Poloha pozorovatele:Beijing (39.904°, 116.407°)

Přehled měsíčních nebeských úkazů

23 celkem nebeských úkazů, včetně 4 fáze Měsíce a 2 planetární jevy.

Denní nebeské úkazy

Všechny časy jsou v místním čase (Asia/Shanghai)

Group Datum Východ/západ Slunce Východ/západ Měsíce Fáze Měsíce Astronomické jevy

Planetary outlook

February 1931 mid-month observing conditions

Mercury

Excellent
Zdánlivá magnituda: -0.2
Souhvězdí: 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

Rektascenze: 20h30m42s
Deklinace: -20°18'29"

Venus

Excellent
Zdánlivá magnituda: -4.4
Souhvězdí: 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

Rektascenze: 18h38m22s
Deklinace: -20°24'32"

Mars

Excellent
Zdánlivá magnituda: -1.0
Souhvězdí: 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

Rektascenze: 08h14m34s
Deklinace: +24°17'02"

Jupiter

Excellent
Zdánlivá magnituda: -2.5
Souhvězdí: 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

Rektascenze: 06h48m29s
Deklinace: +23°13'18"

Saturn

Excellent
Zdánlivá magnituda: 0.6
Souhvězdí: 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

Rektascenze: 19h21m22s
Deklinace: -21°49'27"

Uranus

Fair
Zdánlivá magnituda: 5.9
Souhvězdí: Aries
Angular diameter: 3.4"
Status: near western quadrature

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

Rektascenze: 00h47m45s
Deklinace: +04°25'55"

Neptune

Fair
Zdánlivá magnituda: 7.8
Souhvězdí: Virgo
Angular diameter: 2.3"
Status: near eastern quadrature

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

Rektascenze: 10h27m09s
Deklinace: +10°28'57"

Moon

Excellent
Zdánlivá magnituda: -12.7
Souhvězdí: Aquarius
Angular diameter: 11582.9"
Status: Moon illumination 6.0%

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

Rektascenze: 20h02m00s
Deklinace: -25°35'43"