Sky Chart For The Month of July, 2011

ASTRONOMICAL BULLETIN FOR JULY 2011

The Moon

New Moon occurs on 1^st at h. 14-24 I.S.T.	First Quarter occurs on 8th at h. 11-59 I.S.T.
Full Moon occurs on 15th at h. 12-10 I.S.T.	Last Quarter occurs on 23rd at h. 10-32 I.S.T.
New Moon occurs on 31 st at h. 00-10 I.S.T.
The Lunar Crescent becomes first visible after the New Moon day in the evening of 2nd.
The Moon is at Perigee or nearest to the Earth on 7^thand at Apogee or farthest from the Earth on 22nd .

The Moon passes about 5º south of Mercury on 3^rd, about 8º south of Saturn on 8^th, about 6º north of Neptune on 18^th, about 6º north of Uranus on 21^st, about 5º north of Jupiter on 24^th, ½º south of Mars on 27^th and about 4½º south of Venus on 30^th.

The Earth

The Earth approaches Aphelion position in its orbit or reaches farthest from the Sun on 4th.

Eclipse

Partial Eclipse of the Sun : The phenomenon will occur on 1^st July, 2011. The eclipse begins at 13-24 I.S.T. and ends at 14-53 I.S.T. The eclipse is not visible from India.

The Planets

The Visibility of Planets :

Mercury: The planet sets after sunset throughout the month. It sets about 1½ hours after sunset upto third quarter of the month, Thereafter it sets about 1½ hours to 1 hour after sunset for the remaining days of the month. The planet is in Greatest Eastern Elongation of about 27º from the Sun on 20^th. It approaches the Aphelion position in its orbit or reaches farthest from the Sun on 26^th.

Venus: The planet is a brilliant object visible in the eastern sky before sunrise and remains visible till the beginning of the morning twilight upto 25^th of the month. It rises about 1 hour to ½ hour before sunrise during the period. Thereafter it becomes too close to the Sun to be visible for the remaining days of the month.

Mars: The planet rises after local midnight and remains visible till the beginning of morning twilight. It rises about 2½ hours to 2 hours after local midnight throughout the month.

Jupiter: The planet rises about 1 hour to ½ hour after local midnight upto first quarter of the month, about ½ hour after local midnight to around local midnight time upto second quarter of the month, around local midnight time to ½ hour before it upto third quarter of the month and about ½ hour to 1 hour before it for the remaining days of the month.

Saturn: The planet sets before local midnight throughout the month. It sets about ½ hour to 1½ hours before local midnight upto third quarter of the month, about 1½ hours to 2 hours before it for the remaining days of the month. The planet is in Quadrature with the Sun on 3^rd.

Uranus: The planet rises before local midnight and remains visible till the beginning of morning twilight throughout the month. The planet rises about ½ hour to 2 hours before it upto third quarter of the month and about 2 hours to 3 hours before it for the reaming days of the month. The motion of the planet becomes Retrograde with respect to the Earth on 10^th.

Neptune: The planet rises after sunset throughout the month and remains visible till the beginning of the morning twilight. It rises abou 3 hours to 2 hours after it upto third quarter of the month and about 2 hours to 1 hour after it for the remaining days of the month.

Conjunction of Planets :

Mars passes 5½º north of Aldebaran (Rohini) on 6^th.

Venus passes about 6º south of Pollux (Punarvasu) on 24^th.

Planets	Planets in Zodiacal Constellation	Magnitude
Mercury (Budha)	Moves from Cancer (Karkata) to Leo (Simha) on 20^th.	-0.4 to -0.1 and +0.1 to +0.8
Venus (Sukra)	Moves from Gemini (Mithun) to Cancer (Karkata) on 23^rd.	-3.9
Mars (Mangala)	Moves from Taurus (Vrisha) to Gemini ( Mithuna) on 25^th.	+1.4
Jupiter (Brihaspati)	Remains in Aries (Mesha).	-2.3
Saturn (Sani)	Remains in Virgo (Kanya)	+0.9
Uranus	Remains in Pisces (Mina).	+6.0
Neptune	Remains in Aquarius (Kumbha).	+8.0

Source : : Director

Positional Astronomy Centre

India Meteorological Department

Salt Lake, Kolkata - 700 053.