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Solar flares from active region 6555

C44

M28

LargestX9.41991-03-22

Span15 days

Flares by day

1991-03-177

1991-03-182

1991-03-191

1991-03-207

1991-03-2110

1991-03-228

1991-03-239

1991-03-244

1991-03-258

1991-03-268

1991-03-274

1991-03-281

1991-03-292

1991-03-302

1991-03-316

All flares

Date	Begin	Peak	Min	Class	Location	Region
1991-03-17	02:15	02:17	51	M1.2	S29E90	6555
1991-03-17	04:53	04:55	15	M1.8	S25E90	6555
1991-03-17	09:26	09:32	27	M2.1	S25E83	6555
1991-03-17	11:15	11:23	12	C4.0	S24E81	6555
1991-03-17	14:35	14:40	17	M2.3	S26E93	6555
1991-03-17	20:33	20:40	53	C6.5	S22E87	6555
1991-03-17	23:22	23:28	21	C8.6	S25E77	6555
1991-03-18	01:51	01:55	24	C5.6	S23E77	6555
1991-03-18	22:11	22:19	49	M1.0	S24E68	6555
1991-03-19	08:29	08:30	9	C9.4	S25E63	6555
1991-03-20	05:35	06:16	60	M7.0	S25E52	6555
1991-03-20	14:17	14:17	58	C6.1	S20E57	6555
1991-03-20	17:10	17:40	61	C6.2	S21E53	6555
1991-03-20	18:12	18:21	24	M1.1	S21E53	6555
1991-03-20	19:14	19:56	81	C6.0	S28E47	6555
1991-03-20	21:00	21:11	170	C8.3	S23E52	6555
1991-03-20	23:33	23:33	17	C9.5	S29E42	6555
1991-03-21	00:36	00:50	34	M1.5	S23E51	6555
1991-03-21	04:25	04:29	12	C4.7	S25E51	6555
1991-03-21	07:23	07:37	46	C5.8	S21E47	6555
1991-03-21	09:49	09:54	32	C8.0	S24E48	6555
1991-03-21	10:29	10:41	22	M2.6	S24E48	6555
1991-03-21	12:14	12:48	52	M1.1	S19E41	6555
1991-03-21	13:33	13:46	37	C9.4	S23E38	6555
1991-03-21	15:03	15:28	47	M1.7	S24E44	6555
1991-03-21	20:20	20:22	71	X1.0	S13E29	6555
1991-03-21	23:37	23:43	109	M5.4	S25E40	6555
1991-03-22	00:52	00:57	23	C8.0	S24E31	6555
1991-03-22	03:33	03:35	34	C5.3	S24E31	6555
1991-03-22	05:04	05:21	45	C3.5	S22E29	6555
1991-03-22	08:30	08:38	54	M6.3	S25E35	6555
1991-03-22	09:28	09:39	41	M1.0	S23E25	6555
1991-03-22	11:44	11:50	35	M1.3	S19E29	6555
1991-03-22	19:03	20:17	170	M2.5	S27E23	6555
1991-03-22	22:43	22:45	34	X9.4	S26E28	6555
1991-03-23	03:05	05:10	198	M6.8	S24E11	6555
1991-03-23	12:29	12:42	36	M6.8	S20E14	6555
1991-03-23	14:37	14:42	8	C6.8	S25E20	6555
1991-03-23	16:40	16:45	27	C7.5	S28E18	6555
1991-03-23	17:26	17:27	17	C5.8	S25E11	6555
1991-03-23	18:16	18:16	34	C8.8	S26E17	6555
1991-03-23	18:53	19:08	60	M1.5	S26E17	6555
1991-03-23	19:17	19:18	163	M1.6	S28E17	6555
1991-03-23	22:02	22:22	47	M5.6	S23E06	6555
1991-03-24	05:01	05:09	49	C6.1	S26W02	6555
1991-03-24	13:57	14:16	45	M3.7	S26W01	6555
1991-03-24	17:18	17:18	12	C5.0	S22W06	6555
1991-03-24	23:08	23:11	5	C3.8	–	6555
1991-03-25	00:08	00:22	52	X1.1	S24W08	6555
1991-03-25	04:40	04:41	7	C2.9	S28W06	6555
1991-03-25	05:27	05:35	43	M1.5	S27W10	6555
1991-03-25	07:58	08:18	46	X5.3	S24W13	6555
1991-03-25	09:35	09:38	40	C4.6	S25W12	6555
1991-03-25	11:24	11:42	54	C8.3	S24W13	6555
1991-03-25	14:31	14:36	21	C7.9	S27W10	6555
1991-03-25	15:46	15:48	16	C9.0	S27W11	6555
1991-03-26	01:33	01:44	19	C2.4	S24W22	6555
1991-03-26	03:15	03:20	20	C2.0	S24W23	6555
1991-03-26	08:19	08:24	11	C2.4	S27W26	6555
1991-03-26	09:24	09:29	23	C2.8	S24W27	6555
1991-03-26	12:35	12:36	6	C2.0	S24W26	6555
1991-03-26	16:14	16:27	42	M1.0	S22W30	6555
1991-03-26	20:11	20:15	13	C3.3	S22W34	6555
1991-03-26	20:26	20:34	71	X4.7	S28W23	6555
1991-03-27	12:41	12:41	7	C2.3	S24W39	6555
1991-03-27	15:59	16:05	16	C2.6	S19W50	6555
1991-03-27	17:54	17:57	25	C3.1	S27W39	6555
1991-03-27	22:02	22:12	85	M2.1	S24W47	6555
1991-03-28	21:09	21:40	55	C3.5	S28W49	6555
1991-03-29	05:26	05:51	64	C4.8	S26W62	6555
1991-03-29	06:42	06:48	52	X2.4	S28W60	6555
1991-03-30	02:59	03:21	41	M1.2	S26W64	6555
1991-03-30	09:04	09:08	16	C7.7	S22W75	6555
1991-03-31	00:30	00:32	11	C3.1	S22W82	6555
1991-03-31	00:31	00:38	14	C7.6	S19W80	6555
1991-03-31	02:49	02:56	23	C4.2	S24W77	6555
1991-03-31	08:12	08:19	29	M1.5	S24W80	6555
1991-03-31	16:59	16:59	6	M2.4	S23W89	6555
1991-03-31	19:11	19:11	8	X1.0	S22W88	6555

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 6555 produced 79 C+ flares between 1991-03-17 and 1991-03-31.