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      Sky Chart For The Month of February, 2021                  


  

ASTRONOMICAL BULLETIN FOR FEBRUARY 2021

 

The Moon

Last Quarter occurs on 4th at h. 23-07 I.S.T.

New Moon occurs on 12th at h. 00-36 I.S.T.

First Quarter occurs on 20th at h.00-17 I.S.T. 

Full Moon occurs on 27th at h. 13-47 I.S.T.

 

The Lunar Crescent becomes first visible after the New Moon day in the evening of 13th.

The Moon is at Perigee or nearest to the Earth on 4th. The Moon is at Apogee or farthest from the Earth on 18th.

The Moon passes about 3½º south of Saturn on 10th, about 3º south of Venus on 10th, about 3½º south of Jupiter on 11th, about 8½º south of Mercury on 11th, about 4½º south of Neptune on 13th, about 3º south of Uranus before midnight of 17th and about 3½º south of Mars on 19th. 

The Planets

Visibility of Planets:

Mercury: The planet sets just after sunset upto 3rd day of the month. Thereafter it becomes too close to the Sun to be visible upto 12th of the month, being in Inferior Conjunction with the Sun on 8th. Thereafter it rises about 1 hour to1 ½ hours before sunrise and remains visible till the beginning of morning twilight for the remaining days of the month. The motion of the planet becomes Direct with respect to the Earth from 21st .

Venus: The planet is a brilliant object visible in the eastern sky which rises about 1 hour to ½  hour before sunrise and remains visible till the beginning of morning twilight upto 17th of the month. Thereafter it becomes too close to the Sun to be visible for the remaining days of the month. The planet is at Aphelion position in its orbit or farthest from the Sun on 20th .

Mars:   The planet sets from close to local midnight time to about ½ hour before it throughout the month. The planet is in Quadrature with the Sun on 1st.

Jupiter: The planet is too close to the Sun to be visible upto 13th of the month. Thereafter it reappears in the eastern sky and rises about ½ hour to 1 hour before sunrise and remains visible till the beginning of morning twilight throughout the month.

Saturn: The planet is too close to the Sun to be visible upto 11th of the month. Thereafter it reappears in the eastern sky and rises before sunrise and remains visible till the beginning of morning twilight throughout the month. It rises about ½ hour to 1 hour before sunrise upto second quarter of the month and about 1 hour to 1½ hours before it for the remaining days of the month.

Uranus: The planet sets before local midnight throughout the month. It sets about ½ hour to 1 hour before it upto first quarter of the month, about 1 hour to 1½ hours before it upto second quarter of the month and about 1½ hours to 2 hours before it for the remaining days of the month.

Neptune: The planet sets after the sunset throughout the month. It sets about 2½ hours to 2 hours after sunset upto first quarter of the month, about  2 hours to 1½ hours after it upto second quarter of the month and about 1½ hours to 1 hour after it for the remaining days of the month. 

Conjunction of Planets

Venus passes about ½º south of Saturn on 6th.

Venus passes about ½º south of Jupiter on 11th.

Mercury passes about 5º north of Venus on 12th. 

Mercury passes about 4º north of Jupiter on 13th.

Planets

                       Planets in Zodiacal Constellation

Magnitude

Mercury (Budha)

        Moves from Aquarius (Kumbha) to Capricornus (Makara) on 4th                        (Retrograde).

+0.7 to +0.2

Venus (Sukra)

Moves from Capricornus (Makara) to Aquarius (Kumbha) on 21st.

-3.9

Mars (Mangala)

Moves from Aries (Mesha) to Taurus (Vrisha ) on 22nd .

+0.4 to +0.9

Jupiter (Brihaspati)

Remains in. Capricornus (Makara).

–1.9 to – 2.0

Saturn (Sani)

Remains in Capricornus (Makara).

+0.6 to +0.7

Uranus

Remains in Aries (Mesha).

+6.0

Neptune

Remains in Aquarius (Kumbha).

+8.0


 

Source : : Director

Positional Astronomy Centre

India Meteorological Department

Salt Lake, Kolkata - 700 091.