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Solar flares from active region 1304
C5
M3
X0
LargestM0.71978-09-27
Span8 days
Flares by day
3
1
3
1
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1978-09-22 | 09:20 | 09:25 | 27 | C0.2 | N27E54 | 1304 |
| 1978-09-22 | 10:56 | 11:03 | 19 | C0.2 | N27E54 | 1304 |
| 1978-09-22 | 19:48 | 19:48 | 12 | C0.2 | N27E49 | 1304 |
| 1978-09-23 | 02:30 | 02:33 | 56 | C0.5 | N27E44 | 1304 |
| 1978-09-27 | 08:35 | 08:39 | 28 | M0.1 | N30W17 | 1304 |
| 1978-09-27 | 14:39 | 14:48 | 84 | M0.7 | N18W20 | 1304 |
| 1978-09-27 | 17:00 | 17:27 | 85 | M0.1 | N30W21 | 1304 |
| 1978-09-29 | 09:50 | 09:54 | 15 | C0.6 | N29W38 | 1304 |
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
NOAA active region 1304 produced 8 C+ flares between 1978-09-22 and 1978-09-29.