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Solar flares from active region 1661
C29
M7
X0
LargestM0.51979-03-31
Span13 days
Flares by day
2
1
1
4
9
3
6
4
1
1
2
1
1
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1979-03-27 | 11:25 | 11:26 | 35 | M0.1 | S25E71 | 1661 |
| 1979-03-27 | 23:01 | 23:03 | 5 | C0.2 | S22E78 | 1661 |
| 1979-03-28 | 05:05 | 05:07 | 6 | C0.2 | S22E80 | 1661 |
| 1979-03-29 | 07:32 | 07:33 | 17 | M0.1 | S25E52 | 1661 |
| 1979-03-30 | 05:22 | 05:24 | 11 | C0.2 | S27E39 | 1661 |
| 1979-03-30 | 06:07 | 06:15 | 26 | C0.3 | S25E47 | 1661 |
| 1979-03-30 | 14:41 | 14:46 | 34 | C0.3 | S27E33 | 1661 |
| 1979-03-30 | 23:11 | 23:13 | 61 | M0.1 | S25E31 | 1661 |
| 1979-03-31 | 00:48 | 00:49 | 7 | C0.8 | S25E26 | 1661 |
| 1979-03-31 | 06:08 | 06:14 | 15 | C0.4 | S27E23 | 1661 |
| 1979-03-31 | 09:32 | 09:34 | 8 | C0.3 | S21E26 | 1661 |
| 1979-03-31 | 09:55 | 09:57 | 5 | C0.2 | S27E20 | 1661 |
| 1979-03-31 | 13:10 | 13:11 | 83 | C0.7 | S23E22 | 1661 |
| 1979-03-31 | 15:24 | 15:24 | 4 | C0.3 | S24E23 | 1661 |
| 1979-03-31 | 17:00 | 17:08 | 43 | C0.7 | S25E21 | 1661 |
| 1979-03-31 | 19:45 | 19:50 | 42 | C0.5 | S24E21 | 1661 |
| 1979-03-31 | 23:11 | 23:13 | 61 | M0.5 | S25E31 | 1661 |
| 1979-04-01 | 07:48 | 07:57 | 9 | C0.5 | S24E21 | 1661 |
| 1979-04-01 | 14:26 | 14:26 | 10 | C0.2 | S26E10 | 1661 |
| 1979-04-01 | 23:00 | 23:00 | 9 | C0.2 | S23E09 | 1661 |
| 1979-04-02 | 00:11 | 00:17 | 54 | C0.8 | S26E08 | 1661 |
| 1979-04-02 | 16:24 | 16:29 | 10 | C0.1 | S26W04 | 1661 |
| 1979-04-02 | 17:52 | 17:52 | 9 | C0.1 | S24W04 | 1661 |
| 1979-04-02 | 19:24 | 19:26 | 9 | C0.1 | S23W01 | 1661 |
| 1979-04-02 | 19:40 | 19:45 | 28 | C0.2 | S26W08 | 1661 |
| 1979-04-02 | 20:52 | 20:55 | 34 | C0.3 | S26W06 | 1661 |
| 1979-04-03 | 01:09 | 03:08 | 140 | M0.4 | S26W14 | 1661 |
| 1979-04-03 | 04:17 | 04:18 | 23 | M0.4 | S23W05 | 1661 |
| 1979-04-03 | 11:58 | 12:08 | 37 | M0.1 | S24W08 | 1661 |
| 1979-04-03 | 16:37 | 16:45 | 26 | C0.1 | S29W15 | 1661 |
| 1979-04-04 | 16:59 | 17:00 | 8 | C0.1 | S23W29 | 1661 |
| 1979-04-05 | 03:59 | 04:01 | 12 | C0.3 | S29W31 | 1661 |
| 1979-04-06 | 14:05 | 14:07 | 13 | C0.2 | S25W54 | 1661 |
| 1979-04-06 | 18:18 | 18:19 | 9 | C0.3 | S27W60 | 1661 |
| 1979-04-07 | 16:53 | 16:53 | 11 | C0.2 | S26W67 | 1661 |
| 1979-04-08 | 15:08 | 15:25 | 32 | C0.3 | S30W81 | 1661 |
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 1661 produced 36 C+ flares between 1979-03-27 and 1979-04-08.