Sky Chart For The Month of August, 2018


ASTRONOMICAL BULLETIN FOR AUGUST 2018


The Moon


Last Quarter occurs on 4th at h 23-48 I.S.T.

New Moon occurs on 11th at h 15-28 I.S.T.

First Quarter occurs on 18th at h 13-19 I.S.T.

Full Moon occurs on 26th at h 17-26 I.S.T.

 

 

The Lunar Crescent becomes first visible after the New Moon day in the evening of 12th.

The Moon is at Perigee or nearest to the Earth on 10th and at Apogee or farthest from the Earth on 23rd.


The Moon passes about 5º south of Uranus after midnight of 3rd, about 5½º north of Mercury on 11th, about 6½º north of Venus in the evening of 14th, about 4½º north of Jupiter on 17th, about 2º north of Saturn on 21st, about 7º north of Mars before midnight of 23rd, about 2½º south of Neptune on 27th and about 5° south of Uranus on 31st.

 

Eclipse


Partial Eclipse of the Sun: The phenomenon will occur on 11th August 2018. The eclipse begins at h.13-32 I.S.T. and ends at h.17-01 I.S.T. The eclipse will not be visible in India.

 

                                                                                                The Planets

Visibility of Planets:

Mercury: The planet is too close to the Sun to be visible upto 14th of the month, being in Inferior Conjunction with the Sun on 9th. Thereafter it becomes visible on 15th and rises about 1 hour to 1½ hours before sunrise for the remaining days of the month. The motion of the planet becomes Direct with respect to the Earth from 19th. The planet is in Greatest Western Elongation of about 18° from the Sun on 27th.

Venus: The planet sets about 2½ hours to 2 hours after sunset throughout the month. The planet is in Greatest Eastern Elongation of about 46° from the Sun on 17th.

Mars: The planet sets before sunrise throughout the month. It sets about ½ hour to 1 hour before it upto first quarter of the month, about 1 hour to 2 hours before it upto third quarter of the month and about 2 hours to 3 hours before it for the remaining days of the month. The motion of the planet becomes Direct with respect to the Earth from 27th.

Jupiter: The planet sets about ½ hour to 1 hour before local midnight upto the first quarter of the month, about 1 hour to 1½ hours before it upto the second quarter of the month, about 1½ hours to 2 hours before it upto third quarter of the month and about 2 hours to 2½ hours before it for the remaining days of the month. It is in Quadrature with the Sun on 7th.

Saturn: The planet sets about 2½ hours to 2 hours after local midnight upto first quarter of the month, about 2 hours to 1½ hours after it upto second quarter of the month, about 1½ hours to 1 hour after it upto third quarter of the month and about 1 hour to ½ hour after it for the remaining days of the month.

Uranus: The planet rises about 1½ hours to 2 hours before local midnight upto first quarter of the month, about 2 hours to 2½ hours before it upto second quarter of the month, about 2½ hours to 3 hours before it upto third quarter of the month and about 3 hours to 3½ hours before it for the remaining days of the month. The motion of the planet becomes Retrograde with respect to the Earth from 7th.

Neptune: The planet rises about 2 hours to 1½ hours after sunset upto first quarter of the month, about 1½ hours to 1 hour after it upto third quarter of the month and about 1 hour to ½ hour after it for the remaining days of the month.

 

Planets

Planets in Zodiacal Constellation

Magnitude

Mercury (Budha)

Remains in Cancer (Karkata).

+2.6 to +5.3

+5.3 to -0.6

Venus (Sukra)

Moves from Leo (Simha) to Virgo (Kanya) on 1st.

-4.3 to -4.6

Mars (Mangala)

Remains in Capricornus (Makara)

-2.8 to -2.2

Jupiter (Brihaspati)

Remains in Libra (Tula).  

-2.1 to -1.9

Saturn (Sani)

Remains in Sagittarius (Dhanus).

+0.2 to +0.4

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.