December 1974 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

December 1974 mid-month observing conditions

Mercury

Excellent
Regimasis ryškis: -1.1
Žvaigždynas: Sagittarius
Angular diameter: 4.6"
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: 17h15m50s
Deklinacija: -24°03'24"

Venus

Excellent
Regimasis ryškis: -3.9
Žvaigždynas: Capricornus
Angular diameter: 9.9"
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: 18h08m55s
Deklinacija: -24°07'28"

Mars

Excellent
Regimasis ryškis: 1.5
Žvaigždynas: Sagittarius
Angular diameter: 3.8"
Status: near eastern quadrature

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

Rektascensija: 16h03m15s
Deklinacija: -20°45'26"

Jupiter

Excellent
Regimasis ryškis: -2.3
Žvaigždynas: Pisces
Angular diameter: 38.8"
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: 22h50m55s
Deklinacija: -08°38'49"

Saturn

Excellent
Regimasis ryškis: -0.3
Žvaigždynas: Cancer
Angular diameter: 20.5"
Status: near eastern quadrature

Observation tip: Very bright, easily visible to the naked eye; Saturn’s rings require a telescope to see clearly

Rektascensija: 07h14m18s
Deklinacija: +21°54'44"

Uranus

Fair
Regimasis ryškis: 5.6
Žvaigždynas: Libra
Angular diameter: 3.7"
Status: near eastern quadrature

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

Rektascensija: 13h57m03s
Deklinacija: -11°24'05"

Neptune

Fair
Regimasis ryškis: 8.0
Žvaigždynas: Sagittarius
Angular diameter: 2.2"
Status: near eastern quadrature

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

Rektascensija: 16h33m40s
Deklinacija: -20°25'28"

Moon

Excellent
Regimasis ryškis: -12.7
Žvaigždynas: Capricornus
Angular diameter: 11718.4"
Status: Moon illumination 1.8%

Observation tip: Moon illumination 1.8%; good for observing lunar surface detail

Rektascensija: 18h33m05s
Deklinacija: -20°47'05"