January 2018 Astronomické jevy

Poloha pozorovatele:Beijing (39.904°, 116.407°)

Přehled měsíčních nebeských úkazů

24 celkem nebeských úkazů, včetně 5 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

January 2018 mid-month observing conditions

Mercury

Excellent
Zdánlivá magnituda: -0.4
Souhvězdí: Capricornus
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: 18h22m31s
Deklinace: -23°19'08"

Venus

Excellent
Zdánlivá magnituda: -3.9
Souhvězdí: Capricornus
Angular diameter: 9.8"
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

Rektascenze: 19h53m19s
Deklinace: -21°51'09"

Mars

Excellent
Zdánlivá magnituda: 1.4
Souhvězdí: Scorpius
Angular diameter: 5.1"
Status: near eastern quadrature

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

Rektascenze: 15h22m45s
Deklinace: -17°42'51"

Jupiter

Excellent
Zdánlivá magnituda: -1.9
Souhvězdí: Scorpius
Angular diameter: 34.2"
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: 15h07m55s
Deklinace: -16°28'04"

Saturn

Excellent
Zdánlivá magnituda: 0.5
Souhvězdí: Capricornus
Angular diameter: 15.1"
Status: near eastern quadrature

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

Rektascenze: 18h13m00s
Deklinace: -22°30'53"

Uranus

Fair
Zdánlivá magnituda: 5.8
Souhvězdí: Aries
Angular diameter: 3.5"
Status: near western quadrature

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

Rektascenze: 01h32m06s
Deklinace: +09°01'13"

Neptune

Fair
Zdánlivá magnituda: 7.8
Souhvězdí: Pisces
Angular diameter: 2.2"
Status: near western quadrature

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

Rektascenze: 22h55m56s
Deklinace: -07°48'10"

Moon

Excellent
Zdánlivá magnituda: -12.7
Souhvězdí: Capricornus
Angular diameter: 11446.8"
Status: Moon illumination 4.0%

Observation tip: Moon illumination 4.0%; good for observing lunar surface detail

Rektascenze: 18h08m58s
Deklinace: -19°50'20"