September 2011

1. Sun
2. Mon
3. Tue
4. Wed
5. Thu
6. Fri
7. Sat
12. 1 18%
13. 2 27%
14. 3 38%
15. 4 First qtr
16. 5 60%
17. 6 70%
18. 7 79%
19. 8 87%
20. 9 93%
21. 10 97%
22. 11 99%
23. 12 Full
24. 13 98%
25. 14 95%
26. 15 90%
27. 16 84%
28. 17 77%
29. 18 68%
30. 19 59%
31. 20 Last qtr
32. 21 39%
33. 22 29%
34. 23 20%
35. 24 11%
36. 25 5%
37. 26 1%
38. 27 New
39. 28 2%
40. 29 7%
41. 30 15%

• Moon phase
• Perigee or apogee
• Eclipse
• Planets
• Equinox or solstice

Events in September 2011

1. Sat, Sep 31:59 AM

   Mercury at greatest elongation

   18° from the Sun in the morning sky, its best showing before sunrise.

2. Sun, Sep 41:39 PM

   First Quarter

   Half of the disc is lit. The Moon is high at sunset and sets around midnight.

3. Mon, Sep 125:27 AM

   Full Moon Harvest Moon

   The whole disc is lit. The Moon rises around sunset and stays up all night.

4. Thu, Sep 15

   Apogee

   The Moon's farthest point from Earth on this orbit: 406,100 km.

5. Fri, Sep 1611:25 AM

   Moon and Jupiter close together

   They pass 4.5° apart in the sky.

6. Tue, Sep 209:39 AM

   Last Quarter

   Half of the disc is lit. The Moon rises around midnight and is up through the morning.

7. Fri, Sep 232:24 AM

   Moon and Mars close together

   They pass 4.6° apart in the sky.

8. Fri, Sep 235:04 AM

   September equinox

   Day and night are nearly equal. Autumn begins in the northern hemisphere and spring in the southern.

9. Sun, Sep 257:59 PM

   Uranus at opposition

   Opposite the Sun in the sky: up all night and at its brightest for the year.

10. Tue, Sep 277:09 AM

    New Moon

    The Moon passes between Earth and the Sun and cannot be seen. These are the darkest nights of the month.

11. Tue, Sep 27

    Perigee

    The Moon's closest point to Earth on this orbit: 357,500 km.

12. Wed, Sep 286:05 AM

    Moon, Saturn, and Venus gathered

    All within 6.6° of each other in the sky.

13. Wed, Sep 283:58 PM

    Mercury behind the Sun

    On the far side of the Sun and lost in its glare.

14. Thu, Sep 297:46 PM

    Venus and Saturn close together

    They pass 1.3° apart in the sky.

Times are local to America/New York. Each Moon is drawn as it looks at midday.