February 1921 Astronomické jevy

Poloha pozorovatele:Beijing (39.904°, 116.407°)

Přehled měsíčních nebeských úkazů

18 celkem nebeských úkazů, včetně 3 fáze Měsíce a 4 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 1921 mid-month observing conditions

Mercury

Excellent
Zdánlivá magnituda: -0.6
Souhvězdí: Pisces
Angular diameter: 7.0"
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

Rektascenze: 22h59m13s
Deklinace: -05°30'26"

Venus

Excellent
Zdánlivá magnituda: -4.6
Souhvězdí: Aries
Angular diameter: 25.3"
Status: near superior 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: 00h43m02s
Deklinace: +06°30'47"

Mars

Excellent
Zdánlivá magnituda: 1.3
Souhvězdí: Aries
Angular diameter: 4.4"
Status: near western quadrature

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

Rektascenze: 00h05m46s
Deklinace: +00°04'30"

Jupiter

Excellent
Zdánlivá magnituda: -2.5
Souhvězdí: Virgo
Angular diameter: 44.0"
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

Rektascenze: 11h11m35s
Deklinace: +06°43'33"

Saturn

Excellent
Zdánlivá magnituda: 0.7
Souhvězdí: Virgo
Angular diameter: 19.5"
Status: near eastern quadrature

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

Rektascenze: 11h39m11s
Deklinace: +04°46'36"

Uranus

Fair
Zdánlivá magnituda: 6.0
Souhvězdí: Pisces
Angular diameter: 3.4"
Status: near western quadrature

Observation tip: A telescope is required; Binoculars or a telescope are recommended

Rektascenze: 22h28m42s
Deklinace: -10°20'01"

Neptune

Fair
Zdánlivá magnituda: 7.8
Souhvězdí: Leo
Angular diameter: 2.3"
Status: near western quadrature

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

Rektascenze: 08h57m56s
Deklinace: +17°14'40"

Moon

Excellent
Zdánlivá magnituda: -12.7
Souhvězdí: Taurus
Angular diameter: 12219.6"
Status: Moon illumination 41.6%

Observation tip: Moon illumination 41.6%; good for observing lunar surface detail

Rektascenze: 02h55m52s
Deklinace: +15°13'26"