February 1981 Dangaus reiškiniai

Stebėtojo vieta:Beijing (39.904°, 116.407°)

Mėnesio dangaus reiškinių apžvalga

22 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

February 1981 mid-month observing conditions

Mercury

Good
Regimasis ryškis: 3.9
Žvaigždynas: Pisces
Angular diameter: 10.1"
Status: near superior conjunction

Observation tip: Binoculars are recommended; Mercury stays close to the Sun; best seen at dusk or dawn

Rektascensija: 22h08m37s
Deklinacija: -07°41'09"

Venus

Excellent
Regimasis ryškis: -3.9
Žvaigždynas: Aquarius
Angular diameter: 10.1"
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

Rektascensija: 21h04m46s
Deklinacija: -17°41'45"

Mars

Excellent
Regimasis ryškis: 1.1
Žvaigždynas: Pisces
Angular diameter: 4.0"
Status: near western quadrature

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

Rektascensija: 22h33m59s
Deklinacija: -10°06'07"

Jupiter

Excellent
Regimasis ryškis: -2.3
Žvaigždynas: Libra
Angular diameter: 42.1"
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: 12h37m56s
Deklinacija: -02°27'11"

Saturn

Excellent
Regimasis ryškis: 0.6
Žvaigždynas: Libra
Angular diameter: 18.9"
Status: near eastern quadrature

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

Rektascensija: 12h37m35s
Deklinacija: -01°16'02"

Uranus

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

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

Rektascensija: 15h51m19s
Deklinacija: -19°55'22"

Neptune

Fair
Regimasis ryškis: 7.9
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: 17h35m53s
Deklinacija: -22°00'35"

Moon

Excellent
Regimasis ryškis: -12.7
Žvaigždynas: Cancer
Angular diameter: 12299.5"
Status: Moon illumination 83.4%

Observation tip: Moon illumination 83.4%; good for observing lunar surface detail

Rektascensija: 06h34m35s
Deklinacija: +20°20'15"