September 1990

1. Sun
2. Mon
3. Tue
4. Wed
5. Thu
6. Fri
7. Sat
14. 1 87%
15. 2 93%
16. 3 98%
17. 4 Full
18. 5 99%
19. 6 97%
20. 7 91%
21. 8 84%
22. 9 74%
23. 10 64%
24. 11 Last qtr
25. 12 41%
26. 13 30%
27. 14 21%
28. 15 12%
29. 16 6%
30. 17 2%
31. 18 New
32. 19 1%
33. 20 3%
34. 21 7%
35. 22 13%
36. 23 20%
37. 24 28%
38. 25 37%
39. 26 First qtr
40. 27 56%
41. 28 65%
42. 29 74%
43. 30 83%

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

Events in September 1990

1. Tue, Sep 49:46 PM

   Full Moon Corn Moon

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

2. Fri, Sep 711:51 PM

   Mercury at inferior conjunction

   Passes between Earth and the Sun and is lost in its glare.

3. Sun, Sep 9

   Perigee

   The Moon's closest point to Earth on this orbit: 368,400 km.

4. Tue, Sep 114:53 PM

   Last Quarter

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

5. Sat, Sep 151:42 AM

   Moon and Jupiter close together

   They pass 0.3° apart in the sky.

6. Sat, Sep 155:07 AM

   Mercury and Venus close together

   They pass 2.9° apart in the sky.

7. Mon, Sep 172:46 PM

   Moon and Mercury close together

   They pass 2.1° apart in the sky.

8. Mon, Sep 178:46 PM

   Mercury, Moon, and Venus gathered

   All within 4.4° of each other in the sky.

9. Mon, Sep 179:30 PM

   Moon and Venus close together

   They pass 4.4° apart in the sky.

10. Tue, Sep 188:47 PM

    New Moon

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

11. Sun, Sep 232:55 AM

    September equinox

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

12. Sun, Sep 2311:59 PM

    Mercury at greatest elongation

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

13. Mon, Sep 24

    Apogee

    The Moon's farthest point from Earth on this orbit: 404,800 km.

14. Wed, Sep 2610:06 PM

    First Quarter

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

15. Thu, Sep 271:59 AM

    Moon and Uranus close together

    They pass 2.2° apart in the sky.

16. Thu, Sep 271:58 PM

    Moon, Neptune, and Uranus gathered

    All within 6.2° of each other in the sky.

17. Thu, Sep 272:14 PM

    Moon and Neptune close together

    They pass 2.9° apart in the sky.

18. Thu, Sep 272:42 PM

    Moon, Neptune, and Saturn gathered

    All within 7.0° of each other in the sky.

19. Fri, Sep 283:56 AM

    Moon and Saturn close together

    They pass 1.4° apart in the sky.

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