Solar Flare WatchHome › Flare history › 1979
Solar flares in September 1979
C-class104
M-class30
X-class3
LargestX0.51979-09-19
Flares per day (C and above)
M/X flares per day
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| September 1978 | 116 | 14 | 1 | X0.1 |
| September 1979 | 104 | 30 | 3 | X0.5 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1979-09-19 | 22:56 | 23:03 | 89 | X0.5 | N06E33 | 1994 |
| 1979-09-16 | 09:37 | 09:42 | 40 | X0.3 | N03E80 | 1994 |
| 1979-09-22 | 01:51 | 02:38 | 54 | X0.1 | N06E04 | 1994 |
| 1979-09-21 | 23:56 | 23:56 | 31 | M0.9 | N06E06 | 1994 |
| 1979-09-19 | 13:49 | 13:58 | 31 | M0.4 | N08W74 | 1982 |
| 1979-09-20 | 18:27 | 19:04 | 81 | M0.4 | N07E21 | 1994 |
| 1979-09-14 | 03:18 | 03:26 | 62 | M0.3 | N07W05 | 1982 |
| 1979-09-19 | 03:59 | 04:09 | 55 | M0.3 | N08W73 | 1982 |
| 1979-09-14 | 19:34 | 19:35 | 15 | M0.2 | N08E12 | 1982 |
| 1979-09-16 | 07:59 | 08:04 | 24 | M0.2 | N03E85 | 1994 |
| 1979-09-16 | 19:50 | 19:56 | 61 | M0.2 | N07W41 | 1982 |
| 1979-09-18 | 14:35 | 14:37 | 28 | M0.2 | N08E50 | 1994 |
| 1979-09-19 | 20:31 | 20:57 | 78 | M0.2 | N05E34 | 1994 |
| 1979-09-25 | 11:43 | 11:43 | 4 | M0.2 | N18E56 | 2017 |
| 1979-09-30 | 06:14 | 06:16 | 33 | M0.2 | N18W38 | 2006 |
All times UTC. Until June 2017 classes are NOAA's reports of the time (GOES-15 and earlier included a 0.7 scaling factor); later classes come from calibrated GOES-16/18 data, so the same flare reads about 1.4× larger. Do not compare the two periods directly.
About this page
137 flares of class C or larger in September 1979; by M/X count it ranks 97 of 565 months.