Solar Flare WatchHome › Flare history › 1977
Solar flares in June 1977
C-class21
M-class3
X-class0
LargestM0.21977-06-26
Flares per day (C and above)
M/X flares per day
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| June 1976 | 7 | 0 | 0 | C0.5 |
| June 1977 | 21 | 3 | 0 | M0.2 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1977-06-26 | 10:18 | 10:21 | 25 | M0.2 | N14E44 | 839 |
| 1977-06-26 | 13:36 | 13:41 | 13 | M0.2 | S21W16 | 837 |
| 1977-06-27 | 05:28 | 05:31 | 9 | M0.1 | S22W28 | 837 |
| 1977-06-25 | 14:25 | 14:29 | 16 | C0.9 | N17E56 | 839 |
| 1977-06-26 | 15:50 | 15:52 | 7 | C0.8 | N17E41 | 839 |
| 1977-06-27 | 04:18 | 04:19 | 5 | C0.8 | S22W25 | 837 |
| 1977-06-25 | 10:56 | 10:59 | 14 | C0.7 | N17E58 | 839 |
| 1977-06-27 | 15:40 | 15:55 | 35 | C0.7 | N16E29 | 839 |
| 1977-06-28 | 00:03 | 00:13 | 20 | C0.6 | N15E26 | 839 |
| 1977-06-27 | 01:27 | 01:48 | 41 | C0.5 | N15E30 | 839 |
| 1977-06-24 | 22:17 | 22:19 | 4 | C0.4 | S21E05 | 837 |
| 1977-06-25 | 20:31 | 20:35 | 7 | C0.3 | S22W12 | 837 |
| 1977-06-13 | 04:00 | 04:15 | 81 | C0.2 | S18E06 | 833 |
| 1977-06-23 | 23:59 | 00:02 | 21 | C0.2 | N16E77 | 839 |
| 1977-06-27 | 03:33 | 03:38 | 14 | C0.2 | S22W25 | 837 |
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
24 flares of class C or larger in June 1977; by M/X count it ranks 344 of 565 months.