September 2017

1. Sun
2. Mon
3. Tue
4. Wed
5. Thu
6. Fri
7. Sat
13. 1 80%
14. 2 87%
15. 3 93%
16. 4 97%
17. 5 100%
18. 6 Full
19. 7 98%
20. 8 93%
21. 9 87%
22. 10 78%
23. 11 68%
24. 12 57%
25. 13 Last qtr
26. 14 34%
27. 15 24%
28. 16 15%
29. 17 8%
30. 18 3%
31. 19 0%
32. 20 New
33. 21 2%
34. 22 7%
35. 23 12%
36. 24 20%
37. 25 28%
38. 26 37%
39. 27 First qtr
40. 28 55%
41. 29 65%
42. 30 74%

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

Events in September 2017

1. Sun, Sep 35:35 AM

   Mercury and Mars close together

   They pass 3.4° apart in the sky.

2. Tue, Sep 51:18 AM

   Neptune at opposition

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

3. Wed, Sep 61:06 AM

   Moon and Neptune close together

   They pass 0.7° apart in the sky.

4. Wed, Sep 63:03 AM

   Full Moon Corn Moon

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

5. Sat, Sep 98:54 AM

   Moon and Uranus close together

   They pass 4.1° apart in the sky.

6. Tue, Sep 126:20 AM

   Mercury at greatest elongation

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

7. Wed, Sep 132:25 AM

   Last Quarter

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

8. Wed, Sep 13

   Perigee

   The Moon's closest point to Earth on this orbit: 369,900 km.

9. Sat, Sep 163:01 PM

   Mercury and Mars close together

   They pass 0.1° apart in the sky.

10. Sun, Sep 178:34 PM

    Moon and Venus close together

    They pass 0.5° apart in the sky.

11. Mon, Sep 183:45 PM

    Mars, Mercury, and Moon gathered

    All within 1.8° of each other in the sky.

12. Mon, Sep 183:48 PM

    Moon and Mars close together

    They pass 0.1° apart in the sky.

13. Mon, Sep 187:20 PM

    Moon and Mercury close together

    They pass 0.0° apart in the sky.

14. Wed, Sep 201:30 AM

    New Moon

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

15. Fri, Sep 226:27 AM

    Moon and Jupiter close together

    They pass 3.5° apart in the sky.

16. Fri, Sep 224:01 PM

    September equinox

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

17. Tue, Sep 268:15 PM

    Moon and Saturn close together

    They pass 3.5° apart in the sky.

18. Wed, Sep 27

    Apogee

    The Moon's farthest point from Earth on this orbit: 404,300 km.

19. Wed, Sep 2710:54 PM

    First Quarter

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

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