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Solar flares from active region 6652
C11
M8
X0
LargestM2.81991-06-02
Span11 days
Flares by day
1
1
3
2
1
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2
3
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All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1991-05-27 | 01:51 | 01:51 | 30 | C7.1 | S11E72 | 6652 |
| 1991-05-29 | 16:29 | 16:29 | 80 | M2.7 | S08E35 | 6652 |
| 1991-05-30 | 11:17 | 11:27 | 42 | M1.9 | S09E22 | 6652 |
| 1991-05-30 | 17:41 | 17:47 | 30 | C2.0 | S08E15 | 6652 |
| 1991-05-30 | 22:05 | 22:07 | 50 | C3.4 | S10E16 | 6652 |
| 1991-05-31 | 04:11 | 04:13 | 49 | M2.1 | S08E09 | 6652 |
| 1991-05-31 | 16:19 | 16:56 | 109 | M2.5 | S08E09 | 6652 |
| 1991-06-01 | 03:04 | 03:07 | 11 | C5.2 | S08E04 | 6652 |
| 1991-06-02 | 11:52 | 11:55 | 9 | C4.4 | S08W18 | 6652 |
| 1991-06-02 | 13:53 | 14:14 | 150 | M2.8 | S07W22 | 6652 |
| 1991-06-02 | 20:27 | 20:33 | 24 | M1.0 | S08W22 | 6652 |
| 1991-06-03 | 16:35 | 16:36 | 6 | C1.7 | S12W29 | 6652 |
| 1991-06-03 | 22:45 | 22:50 | 18 | C1.8 | S08W38 | 6652 |
| 1991-06-04 | 13:24 | 13:26 | 4 | C3.6 | S09W45 | 6652 |
| 1991-06-04 | 13:54 | 13:55 | 6 | C5.6 | S08W45 | 6652 |
| 1991-06-04 | 23:48 | 00:04 | 26 | M1.4 | – | 6652 |
| 1991-06-05 | 13:42 | 13:42 | 5 | C3.1 | S09W58 | 6652 |
| 1991-06-06 | 07:05 | 07:06 | 21 | M1.2 | S11W68 | 6652 |
| 1991-06-06 | 16:57 | 17:00 | 21 | C9.1 | S09W74 | 6652 |
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 6652 produced 19 C+ flares between 1991-05-27 and 1991-06-06.