Sky Chart For The Month of October, 2011
ASTRONOMICAL BULLETIN FOR OCTOBER 2011
The Moon
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First Quarter occurs on 4th at h. 08-45 I.S.T. |
Full Moon occurs on 12th at h 07-36 I.S.T. |
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Last Quarter occurs on 20th at h. 09-00 I.S.T. |
New Moon occurs on 27th at h. 01-26 I.S.T. |
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The Lunar Crescent becomes first visible after the New Moon day in the evening of 28th. |
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The Moon is at Apogee or farthest from the Earth on 12th and at Perigee or nearest to the Earth on 26th |
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The Moon passes about 6º north of Neptune on 8th, about 6º north of Uranus before sunrise on 11th, about 5º north of Jupiter after local midnight of 14th, about 6½º south of Mars on 22nd, about 6½º south of Saturn on 26th, very close to Mercury and about 2º south of Venus on 28th.
The Planets
The Visibility of Planets :
Mercury:
The planet is too close to the Sun to be visible upto 21st of the month. Thereafter it reappears in the western sky and sets after sunset for the remaining days of the month. It sets about ½ hour to 1 hour after sunset during the period. It approaches the Aphelion position in its orbits or reaches farthest from the Sun on 22ndVenus:
It is a brilliant object, visible in the evening in the western sky after sunset and sets about ½ hour to 1 hour after sunset throughout the month.Mars:
The planet rises after local midnight and remains visible till the beginning of the morning twilight. It rises about 1 hour to ½ hour after local midnight throughout the monthJupiter:
The planet rises after sunset and remains visible till the beginning of morning twilight throughout the month. It rises about 1½ hours to 1 hour after sunset upto first quarter of the month, about 1 hour to ½ hour after it upto third quarter of the month and about ½ hour to close to sunset time for the remaining days of the month. The planet is in Opposition with the Sun on 29th.Saturn:
The planet is too close to the Sun to be visible upto 27th of the month. Thereafter it reappears in the morning sky before sunrise and remains visible till the beginning of the morning twilight. It rises about ½ hour to 1 hour before sunrise during the period. The planet is in Conjunction with the sun on 14thUranus:
The planet is visible after sunset and it sets before sunrise throughout the month. It sets about ½ hour to 1½ hours before sunrise upto 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.Neptune:
The planet is visible after sunset and it sets after local midnight throughout the month. It sets about 2½ hours to 2 hours after it upto second quarter of the month, about 2 hours to 1½ hours after it upto third 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 3º north of Spica (Chitra) on 3rd.
Mercury passes about 2º south of Saturn on 7th.
Mercury passes about 3º north of Spica (Chitra) on 9th
Saturn passes about 4½º north of Spica (Chitra) on 31st.
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Planets |
Planets in Zodiacal Constellation |
Magnitude |
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Mercury (Budha) |
Moves from Virgo (Kanya) to Libra (Tula) on 9th. Moves from Libra (Tula) to Scorpion (Vrischika) on 29th. |
-1.6 to -0.3 |
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Venus (Sukra) |
Moves from Virgo (Kanya) to Libra (Tula) on 4th. Moves from Libra (Tula) to Scorpion (Vrischika) on 28th. |
-3.8 |
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Mars (Mangala) |
Moves from Cancer (Karkata) to Leo (Simha) on 30th. |
+1.3 to +1.1 |
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Jupiter (Brihaspati) |
Remains in Aries (Mesha). |
-2.9 |
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Saturn (Sani) |
Remains in Virgo (Kanya). |
+0.7 |
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Uranus |
Remains in Pisces (Mina). |
+6.0 |
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Neptune |
Remains in Aquarius (Kumbha). |
+8.0 |
Source : : Director
Positional Astronomy Centre
India Meteorological Department
Salt Lake, Kolkata - 700091