December 1918 Dangaus reiškiniai

Stebėtojo vieta:Beijing (39.904°, 116.407°)

Mėnesio dangaus reiškinių apžvalga

22 astronominių įvykių iš viso, įskaitant 4 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

December 1918 mid-month observing conditions

Mercury

Good
Regimasis ryškis: 2.7
Žvaigždynas: Capricornus
Angular diameter: 9.6"
Status: near superior conjunction

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

Rektascensija: 18h02m38s
Deklinacija: -22°37'07"

Venus

Excellent
Regimasis ryškis: -3.9
Žvaigždynas: Sagittarius
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

Rektascensija: 17h48m11s
Deklinacija: -23°52'32"

Mars

Excellent
Regimasis ryškis: 1.2
Žvaigždynas: Capricornus
Angular diameter: 4.5"
Status: near western quadrature

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

Rektascensija: 19h52m07s
Deklinacija: -22°11'49"

Jupiter

Excellent
Regimasis ryškis: -2.7
Žvaigždynas: Cancer
Angular diameter: 46.5"
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

Rektascensija: 06h57m06s
Deklinacija: +22°47'23"

Saturn

Excellent
Regimasis ryškis: 0.4
Žvaigždynas: Virgo
Angular diameter: 19.0"
Status: near eastern quadrature

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

Rektascensija: 10h03m24s
Deklinacija: +13°18'28"

Uranus

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

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

Rektascensija: 21h48m12s
Deklinacija: -14°02'33"

Neptune

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

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

Rektascensija: 08h45m46s
Deklinacija: +17°54'19"

Moon

Excellent
Regimasis ryškis: -12.7
Žvaigždynas: Taurus
Angular diameter: 12774.8"
Status: Moon illumination 89.4%

Observation tip: Moon illumination 89.4%; good for observing lunar surface detail

Rektascensija: 02h43m58s
Deklinacija: +18°33'35"