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Solar flares from active region 1320
C18
M4
X0
LargestM0.71978-10-01
Span13 days
Flares by day
1
1
2
4
2
2
5
3
1
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All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1978-09-30 | 15:03 | 15:07 | 7 | C0.2 | S17E67 | 1320 |
| 1978-10-01 | 06:53 | 07:30 | 140 | M0.7 | S10E55 | 1320 |
| 1978-10-03 | 07:23 | – | 4 | C0.3 | S10E28 | 1320 |
| 1978-10-03 | 17:15 | 17:55 | 104 | C0.2 | S12E23 | 1320 |
| 1978-10-04 | 01:00 | – | 5 | C0.2 | S14E21 | 1320 |
| 1978-10-04 | 03:33 | 03:37 | 10 | C0.1 | S17E17 | 1320 |
| 1978-10-04 | 16:43 | 16:46 | 47 | C0.1 | S12E10 | 1320 |
| 1978-10-04 | 17:07 | 17:07 | 6 | C0.1 | S13E13 | 1320 |
| 1978-10-05 | 13:37 | 14:07 | 69 | C0.4 | S13E01 | 1320 |
| 1978-10-05 | 20:27 | 20:30 | 7 | M0.1 | S13W04 | 1320 |
| 1978-10-07 | 01:03 | 01:04 | 3 | C0.1 | S13W20 | 1320 |
| 1978-10-07 | 15:15 | 15:17 | 5 | C0.1 | S13W32 | 1320 |
| 1978-10-08 | 01:21 | 01:23 | 3 | C0.2 | S14W33 | 1320 |
| 1978-10-08 | 04:20 | 04:23 | 21 | C0.1 | S12W34 | 1320 |
| 1978-10-08 | 17:59 | 18:18 | 23 | C0.2 | S14W43 | 1320 |
| 1978-10-08 | 19:11 | 19:12 | 6 | C0.1 | S13W43 | 1320 |
| 1978-10-08 | 20:07 | 20:55 | 48 | C0.8 | S14W44 | 1320 |
| 1978-10-09 | 00:01 | 00:04 | 8 | C0.3 | S14W46 | 1320 |
| 1978-10-09 | 05:52 | 05:55 | 6 | C0.1 | S11W48 | 1320 |
| 1978-10-09 | 19:51 | 19:53 | 4 | M0.6 | S18W61 | 1320 |
| 1978-10-10 | 10:30 | 10:34 | 15 | C0.8 | S11W64 | 1320 |
| 1978-10-12 | 14:42 | 14:47 | 10 | M0.1 | S14W90 | 1320 |
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 1320 produced 22 C+ flares between 1978-09-30 and 1978-10-12.