ASTRONOMICAL BULLETIN FOR JULY 2023

The Moon

Full Moon occurs on 3rd  at h 17-09 I.S.T.	Last Quarter occurs on 10th at h 07-18 I.S.T.
New Moon occurs on 18th  at h 00-02 I.S.T.	First Quarter occurs on 26th at h. 03-37 I.S.T.
The Lunar Crescent becomes first visible after the New Moon day in the evening of 19th.
The Moon is at Perigee or nearest to the Earth on 5th and at Apogee or farthest from the Earth on 20th.

 

The Moon passes about 2½º south of Saturn on 7^th, about 1½º south of Neptune on 08^th, about 2º north of Jupiter on 12^th after midnight, about 2½º north of Uranus on 12^th, about 4º north of Mercury  on 19^th, about 8º north of Venus on 20^th, about 3½º north of Mars on 21^st.

The Earth 

The Earth approaches the Aphelion position in its orbit or reaches farthest from the Sun on 7^th.

The Planets

Visibility of Planets: 

Mercury: The planet is too close to the sun to be visible upto 10^th of the month. On 11^th it become visible in the western sky, it sets about ½ hour to 1 hour after sunset upto second quarter of the month and about 1 hour to 1½ hours after it for the remaining days of the month. The planet is in Superior Conjunction with Sun on 1^st.

Venus:  The planet sets about 2½ hours to 2 hours after sunset upto second quarter of the month, about 2 hours to 1½ hours after it upto 3^rd quarter of the month and about 1½ hours to 1 hour after it for the remaining days of the month. The motion of the planet becomes Retrograde with respect to the Earth from 23^rd.

Mars:  The planet sets after sunset throughout the month. It sets about 3 hours to 2½ hours after sunset upto second quarter of the month and about 2½ hours to 2 hours after it for the remaining days of 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 close to local midnight upto 3^rd quarter of the month and close to local midnight to about ½ hour before it for the remaining days of the month.

Saturn: The planet sets about 3½ hours to 3 hours after sunset upto first quarter of the month, about 3 hours to 2½ hours after it upto second quarter of the month, about 2½ hours to 2 hours after it upto third quarter of the month and about 2 hours to 1½ hours after it for the remaining days of the month.

Uranus: The planet rises after local midnight throughout the month. It rises about 2 hours to 1½ hours after local midnight 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 ½ hour to too close to local midnight for the remaining days of the month.

 

 Neptune: The planet rises about 1 hour to 1½ hours before local midnight upto first quarter of the month, about 1½ hours to 2 hours before it upto second quarter of the month, about 2 hours to 2½ hours before it upto third Quarter of the month, about 2½ hours to 3 hours before it for the remaining days of the month.

 

Conjunction of Planets:

Mercury passes about 5º south of Pollux (Punarvasu) on 8^th.

Mars passes about 1⁰ north of Regulus (Magha) on 10^th.

Mercury passes about 5½º north of Venus on 26^th.

Mercury passes just south of Regulus (Magha) on 29^th..

Planets	Planets in Zodiacal Constellation	Magnitude
Mercury (Budha)	Moves from Gemini (Mithuna) to Cancer(Karkata) on 8thJuly.         Moves from Cancer(Karkata) to Leo (Simha) on 24th July.	- 2.2  to 0.0   0.0  to  + 0.1
Venus (Sukra)	Moves from Cancer(Karkata) to Leo (Simha) on 6th July.	- 4.7 to - 4.4
Mars (Mangala)	Remains in Leo (Simha).	+ 1.7 to + 1.8
Jupiter (Brihaspati)	Remains in Aries (Mesha)..	–2.2 to –2.3
Saturn (Sani)	Remains in Aquarius (Kumbha).	+0.7 to +0.5
Uranus	Remains in Aries (Mesha).	+6.0
Neptune	Remains in Pisces (Mina).	+8.0

Source : : Head

Positional Astronomy Centre

India Meteorological Department

Salt Lake, Kolkata - 700 091.