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Solar flares in February 1977
C-class11
M-class2
X-class0
LargestM0.11977-02-11
Flares per day (C and above)
M/X flares per day
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1977-02-11 | 21:27 | 21:40 | 25 | M0.1 | S40W01 | 782 |
| 1977-02-17 | 15:31 | 15:54 | 34 | M0.1 | S42W65 | 782 |
| 1977-02-13 | 17:08 | 17:16 | 19 | C0.6 | S41W13 | 782 |
| 1977-02-02 | 04:25 | 05:05 | 110 | C0.5 | N28E36 | 779 |
| 1977-02-08 | 18:58 | 19:04 | 19 | C0.2 | S38E40 | 782 |
| 1977-02-08 | 22:12 | 22:12 | 0 | C0.1 | S38E39 | 782 |
| 1977-02-18 | 23:44 | 23:50 | 14 | C0.1 | N23W77 | 787 |
| 1977-02-02 | 02:15 | 02:16 | 3 | C0.0 | N26E39 | 779 |
| 1977-02-02 | 03:22 | 03:23 | 4 | C0.0 | N26E39 | 779 |
| 1977-02-09 | 14:58 | 15:05 | 23 | C0.0 | N12E42 | 784 |
| 1977-02-09 | 17:00 | 17:04 | 10 | C0.0 | S40E30 | 782 |
| 1977-02-14 | 14:09 | 14:12 | 21 | C0.0 | S41W27 | 782 |
| 1977-02-17 | 13:39 | 13:50 | 39 | C0.0 | N19W54 | 787 |
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
13 flares of class C or larger in February 1977; by M/X count it ranks 375 of 565 months.