* Astronomy

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RE: September 2015

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Maximum Northerly heliographic latitude of the Earth at 22:47 UT, 8th September: Look towards the solar North Pole.

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Mercury is at Dichotomy (Half phase) on the 7th September 2015.

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Maximum easterly lunar libration is at 05:51.2 UT, 6th September 2015. Look towards the hidden Mare Crisium

Maximum northerly lunar libration is at 19:59.6 UT, 6th September 2015. Look towards the lunar North Pole

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Lunar occultation of Aldebaran on the 5th September 2015.

2015 09 05 Lunar Occultation of Aldebaran: reappearance 04:41:27 UTC

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What's Up for September 2015

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Tonight's Sky: September 2015

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Bright Asteroids at Opposition

Asteroid (221) Eos is at Opposition in the constellation Aquarius on the 2nd September 2015.
Magnitude: 11.2
Distance to Earth: 1.691 AU
Distance to Sun: 2.697 AU

Asteroid (9) Metis is at Opposition in the constellation Aquarius on the 6th September 2015.
Magnitude: 9.2
Distance to Earth: 1.360 AU
Distance to Sun: 2.360 AU

Asteroid (22) Kalliope is at Opposition in the constellation Sculptor on the 8th September 2015.
Magnitude: 10.5
Distance to Earth: 1.851 AU
Distance to Sun: 2.816 AU

Asteroid (201) Penelope is at Opposition in the constellation Aquarius on the 10th September 2015.
Magnitude: 10.6
Distance to Earth: 1.190 AU
Distance to Sun: 2.197 AU

Asteroid (109) Felicitas is at Opposition in the constellation Aquarius on the 12th September 2015.
Magnitude: 11.2
Distance to Earth: 1.233 AU
Distance to Sun: 2.238 AU

Asteroid (13) Egeria is at Opposition in the constellation Cetus on the 13th September 2015.
Magnitude: 10.7
Distance to Earth: 1.754 AU
Distance to Sun: 2.717 AU

Asteroid (45) Eugenia is at Opposition in the constellation Aquarius on the 16th September 2015.
Magnitude: 11.2
Distance to Earth: 1.805 AU
Distance to Sun: 2.808 AU

Asteroid (4) Vesta is at Opposition in the constellation Cetus on the 29th September 2015.
Magnitude: 6.2
Distance to Earth: 1.430 AU
Distance to Sun: 2.418 AU

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Mercury is at its Greatest Elongation (27° East) on the 4th September 2015

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Highlights

Autumnal Equinox
On this day, the Sun rises directly in the East, and sets directly in the West. At the South Pole, the Sun will begin to rise after six months of darkness.

Watch out for the zodiacal lights, also known as the false dawn, which maybe visible about two hours before sunrise from dark sites during the latter part of September.