September

For terms in boldface, see Astronomical Terms.

Day	Phenomenon	Hour
3	Pallas, the second-largest asteroid, is at opposition.	0000
4	LAST QUARTER	0300
4	Mars is 6° south of the Moon.	1400
7	Venus appears to be motionless in the sky as it moves toward its greatest elongation west of the Sun from a position east of the Sun as viewed from Earth.	1400
7	Pluto appears to be motionless in the sky as it goes from retrograde to direct motion.	2200
8	Venus is 9° south of the Moon.	1900
9	Uranus is at opposition.	1900
10	Regulus, the brightest star in the constellation Leo, is 0° 2' south of the Moon. Occultation of Regulus by the Moon.	0100
10	Saturn is 0° 8' north of the Moon. Occultation of Saturn by the Moon.	0400
11	NEW MOON. Partial eclipse of the Sun.	1300
13	Mercury is 2° north of the Moon.	1400
15	The Moon is at apogee.	2100
18	Antares, the brightest star in the constellation Scorpius, is 0° 7' north of the Moon. Occultation of Antares by the Moon.	0800
18	Jupiter is 6° north of the Moon.	1500
19	FIRST QUARTER	1700
21	Ceres, the largest asteroid, appears to be motionless in the sky as it goes from direct motion to retrograde motion.	0300
22	Mercury is 0° 09' north of Spica, the brightest star in the constellation Virgo.	0900
23	Equinox.	1000
23	Neptune is 1° 4' north of the Moon.	1800
23	Venus is at its greatest illuminated extent.	2300
25	Uranus is 1° 9' south of the Moon.	1700
26	FULL MOON	2000
28	The Moon is at perigee.	0200
29	Mercury is at its greatest elongation, at 26° east of the Sun.	1600

August

Phenomena, 2007

October

24 X 7