February 1991 Ĉielaj Eventoj

Loko de observanto:Beijing (39.904°, 116.407°)

Superrigardo de Planedoj

20 ĉielaj eventoj entute, inkluzive de 3 lunfazoj kaj 0 planedaj eventoj.

Ĉielaj Eventoj

Ĉiuj tempoj estas en loka tempo (Asia/Shanghai)

Group Dato Sunleviĝo/Sunsubiro Lunleviĝo/Lunsubiro Luna fazo Ĉielaj Eventoj

Planetary outlook

February 1991 mid-month observing conditions

Mercury

Excellent
Ŝajna magnitudo: -0.7
Konstelacio: Aquarius
Angular diameter: 4.9"
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

Rekta supreniro: 21h09m48s
Deklinacio: -18°25'35"

Venus

Excellent
Ŝajna magnitudo: -3.9
Konstelacio: Pisces
Angular diameter: 11.2"
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

Rekta supreniro: 23h28m30s
Deklinacio: -04°47'12"

Mars

Excellent
Ŝajna magnitudo: 0.2
Konstelacio: Gemini
Angular diameter: 8.7"
Status: near western quadrature

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

Rekta supreniro: 04h22m27s
Deklinacio: +23°51'02"

Jupiter

Excellent
Ŝajna magnitudo: -2.6
Konstelacio: Leo
Angular diameter: 45.3"
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

Rekta supreniro: 08h35m57s
Deklinacio: +19°26'01"

Saturn

Excellent
Ŝajna magnitudo: 0.7
Konstelacio: Aquarius
Angular diameter: 15.3"
Status: near eastern quadrature

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

Rekta supreniro: 20h12m47s
Deklinacio: -20°08'43"

Uranus

Fair
Ŝajna magnitudo: 5.8
Konstelacio: Capricornus
Angular diameter: 3.5"
Status: near eastern quadrature

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

Rekta supreniro: 18h53m19s
Deklinacio: -23°12'24"

Neptune

Fair
Ŝajna magnitudo: 7.9
Konstelacio: Capricornus
Angular diameter: 2.2"
Status: near eastern quadrature

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

Rekta supreniro: 19h07m50s
Deklinacio: -21°43'52"

Moon

Excellent
Ŝajna magnitudo: -12.7
Konstelacio: Pisces
Angular diameter: 11889.4"
Status: Moon illumination 0.1%

Observation tip: Moon illumination 0.1%; good for observing lunar surface detail

Rekta supreniro: 22h00m31s
Deklinacio: -09°18'38"