Sky Chart For The Month of July, 2018

ASTRONOMICAL BULLETIN FOR JULY 2018


The Moon


Last Quarter occurs on 6th at h. 13-21 I.S.T.

New Moon occurs on 13th at h. 8-18 I.S.T.

First Quarter occurs on 20th at h. 1-22  I.S.T.

Full Moon occurs on 28th at h. 1-50 I.S.T.

 

 

The Lunar Crescent becomes first visible after the New Moon day in the evening of 14th.

The Moon is at Perigee or nearest to the Earth on 13th and at Apogee or farthest from the Earth on 27th.


The Moon passes about 5º north of Mars on 1st, about 2½º south of Neptune on 4th, about 5º south of Uranus on 7th, about 2º north of Mercury on 15th, about 1½º north of Venus on 16th, about 4½º north of Jupiter on 21st, about 2º north of Saturn on 25th, about 6½º north of Mars in the early hours of 28th and about 2½º south of Neptune on 31st.                                                

Eclipse

Partial Eclipse of the Sun: The phenomenon will occur on 13th July 2018. The eclipse begins at h.07-19 I.S.T. and ends at h.09-44 I.S.T. The eclipse will not be visible in India.

Total Eclipse of the Moon: The phenomenon will occur on 27th - 28th July 2018. The eclipse begins at h.23-54 I.S.T. on 27th and ends at h.03-49 I.S.T. on 28th.The eclipse will be visible in India.

 

The Earth

 

The Earth approaches the Aphelion position in its orbit or reaches farthest from the Sun on 6th.

 

                                                                                             The Planets

Visibility of Planets:

Mercury: The planet sets about 1½ hours to 1 hour after sunset upto 28th of the month. Thereafter it becomes too close to the Sun to be visible for the remaining days of the month. The planet is in Greatest Eastern Elongation of about 26° from the Sun on 12th. The planet is in Aphelion position or farthest from the Sun in its orbit on 20th and its motion becomes Retrograde with respect to the Earth from 26th.

Venus: The planet sets about 2½ hours after sunset throughout the month.

Mars: 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 second quarter of the month, about 1 hour to ½ hour after it upto third quarter of the month and thereafter the planet sets close to sunrise time at the end of the month. It is in Opposition with the Sun on 27th.

Jupiter: The planet sets about 1½ hours to 1 hour after local midnight upto first quarter of the month, about 1 hour to ½ hour after it upto second quarter of the month and about ½ hour after to ½ hour before it for the remaining days of the month. The motion of the planet becomes Direct with respect to the Earth from 10th.

Saturn: The planet sets around sunrise time to ½ hour before it upto first quarter of the month, about ½ hour to 1 hour before it upto second quarter of the month, about 1 hour to 1½ hours before it upto third quarter of the month and about 1½ hours to 2½ hours before it for the remaining days of the month.

Uranus: The planet rises about ½ hour after local midnight to close to it upto first quarter of the month, from close to local midnight time to ½ hour before it upto third quarter of the month and about ½ hour to 1½ hours before it for the remaining days of the month. The planet is in Quadrature with respect to the Sun on 25th.

Neptune: The planet rises about 4 hours to 3½ hours after sunset upto first quarter of the month, about 3½ hours to 3 hours after it upto second quarter of the month, about 3 hours to 2½ hours after it upto third quarter of the month and about 2½ hours to 2 hours after it for the remaining days of the month.

 

Conjunction of Planets:

 

Venus passes about 1º north of Regulus (Magha) on 10th.

 

Planets

Planets in Zodiacal Constellation

Magnitude

Mercury (Budha)

Remains in Cancer (Karkata)

-0.1 to +2.6

Venus (Sukra)

Moves from Cancer (Karkata) to Leo (Simha) on 5th.

-4.0 to -4.3

Mars (Mangala)

Remains in Capricornus (Makara)

-2.2 to -2.8

Jupiter (Brihaspati)

Remains in Libra (Tula).  

-2.3 to -2.1

Saturn (Sani)

Remains in Sagittarius (Dhanus).

 0.0 to +0.2

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.