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Solar flares in February 1978
C-class86
M-class24
X-class0
LargestM0.71978-02-09
Flares per day (C and above)
M/X flares per day
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| February 1977 | 11 | 2 | 0 | M0.1 |
| February 1978 | 86 | 24 | 0 | M0.7 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1978-02-09 | 16:02 | 16:05 | 23 | M0.7 | N17W90 | 991 |
| 1978-02-13 | 01:39 | 01:51 | 141 | M0.7 | N13W24 | 1001 |
| 1978-02-10 | 21:03 | 21:18 | 72 | M0.4 | N20W38 | 997 |
| 1978-02-25 | 14:49 | 14:52 | 23 | M0.4 | N19W18 | 1011 |
| 1978-02-02 | 11:37 | 11:41 | 18 | M0.2 | N19E07 | 991 |
| 1978-02-03 | 16:10 | 16:12 | 36 | M0.2 | N20E56 | 1000 |
| 1978-02-08 | 03:44 | 03:59 | 26 | M0.2 | N14E47 | 1001 |
| 1978-02-09 | 22:16 | 22:54 | 116 | M0.2 | N14E25 | 1001 |
| 1978-02-15 | 07:53 | 07:55 | 52 | M0.2 | N15W46 | 1001 |
| 1978-02-03 | 02:16 | 02:18 | 36 | M0.1 | N25E70 | 998 |
| 1978-02-03 | 04:44 | 04:51 | 34 | M0.1 | N19E67 | 999 |
| 1978-02-03 | 08:10 | 08:10 | 12 | M0.1 | N19E67 | 999 |
| 1978-02-08 | 07:12 | 07:15 | 18 | M0.1 | N27W04 | 998 |
| 1978-02-09 | 04:48 | 04:52 | 47 | M0.1 | N15E34 | 1001 |
| 1978-02-09 | 14:43 | 15:23 | 57 | M0.1 | N16E29 | 1001 |
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
110 flares of class C or larger in February 1978; by M/X count it ranks 133 of 565 months.