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Solar flares from active region 4474

C67

M30

LargestX13.01984-04-24

Span15 days

Flares by day

1984-04-219

1984-04-226

1984-04-238

1984-04-248

1984-04-257

1984-04-269

1984-04-2710

1984-04-287

1984-04-299

1984-04-308

1984-05-016

1984-05-026

1984-05-034

1984-05-042

1984-05-051

All flares

Date	Begin	Peak	Min	Class	Location	Region
1984-04-21	01:36	01:44	11	C9.7	–	4474
1984-04-21	01:57	02:05	38	M1.2	S08E87	4474
1984-04-21	07:30	07:30	8	M1.2	S14E83	4474
1984-04-21	13:04	13:11	16	M1.0	–	4474
1984-04-21	14:20	14:58	70	M1.4	S09E76	4474
1984-04-21	15:37	15:53	30	C6.5	S09E82	4474
1984-04-21	16:54	17:20	29	C6.6	S11E82	4474
1984-04-21	19:40	19:50	18	C4.2	–	4474
1984-04-21	20:09	20:17	25	X1.7	–	4474
1984-04-22	03:55	03:56	4	C4.4	S10E84	4474
1984-04-22	11:30	11:32	15	C4.4	S10E72	4474
1984-04-22	13:25	13:32	13	C2.6	S11E70	4474
1984-04-22	13:41	13:44	15	C3.5	S09E63	4474
1984-04-22	21:43	22:16	102	M3.4	S12E65	4474
1984-04-22	22:47	22:58	40	M5.0	–	4474
1984-04-23	01:16	02:00	115	M3.2	S11E64	4474
1984-04-23	01:48	02:01	29	M3.6	–	4474
1984-04-23	05:07	05:15	82	M1.8	S11E62	4474
1984-04-23	12:34	12:35	35	C2.8	S07E65	4474
1984-04-23	13:37	13:55	47	C3.3	S07E51	4474
1984-04-23	15:55	16:40	51	M7.2	–	4474
1984-04-23	21:53	22:18	100	C7.7	S11E54	4474
1984-04-23	22:15	22:20	13	C3.8	–	4474
1984-04-24	02:59	04:20	145	X1.0	S10E57	4474
1984-04-24	14:39	14:39	18	C2.1	S11E52	4474
1984-04-24	15:27	15:28	24	C2.2	S11E52	4474
1984-04-24	16:41	17:28	59	C2.0	S11E60	4474
1984-04-24	17:24	17:28	10	M1.5	–	4474
1984-04-24	20:15	20:20	15	M1.1	S11E56	4474
1984-04-24	21:33	21:44	26	C4.8	S11E45	4474
1984-04-24	23:56	00:01	104	X13.0	S12E43	4474
1984-04-25	06:00	06:03	13	C3.6	S13E50	4474
1984-04-25	12:27	12:30	11	C2.8	S11E36	4474
1984-04-25	14:06	14:06	10	C3.9	S11E47	4474
1984-04-25	14:58	15:01	14	M1.7	S10E45	4474
1984-04-25	17:49	17:57	41	C7.1	S14E26	4474
1984-04-25	19:20	19:23	27	C4.1	S12E27	4474
1984-04-25	23:03	23:09	12	C3.7	S13E30	4474
1984-04-26	00:40	00:46	26	C9.3	S09E39	4474
1984-04-26	01:18	01:18	6	C2.1	S13E29	4474
1984-04-26	04:59	05:06	54	C5.1	S13E36	4474
1984-04-26	05:31	05:40	20	C5.6	–	4474
1984-04-26	06:54	06:58	16	M1.8	S10E38	4474
1984-04-26	06:56	06:56	99	C5.7	S11E27	4474
1984-04-26	08:53	09:06	31	M2.5	S09E34	4474
1984-04-26	10:59	12:53	208	M2.7	S11E23	4474
1984-04-26	17:22	17:26	22	M2.8	S09E31	4474
1984-04-27	00:15	00:17	7	C2.4	S13E08	4474
1984-04-27	01:15	01:34	34	C2.6	S13E09	4474
1984-04-27	01:32	01:38	11	C4.4	–	4474
1984-04-27	04:17	04:26	52	C1.8	S13E12	4474
1984-04-27	05:10	05:41	51	C2.3	S08E15	4474
1984-04-27	05:32	05:41	14	M1.4	–	4474
1984-04-27	07:26	07:28	14	C1.9	S11E25	4474
1984-04-27	13:48	14:11	287	M2.5	S14E16	4474
1984-04-27	16:49	17:09	21	M1.8	–	4474
1984-04-27	17:51	17:53	70	M1.0	S12E02	4474
1984-04-28	03:52	04:47	88	C3.2	S14W06	4474
1984-04-28	06:16	06:31	18	C4.2	–	4474
1984-04-28	08:56	08:59	6	C2.2	S13W14	4474
1984-04-28	15:00	15:00	19	C1.6	S16W14	4474
1984-04-28	15:29	15:32	5	C1.8	–	4474
1984-04-28	17:25	17:51	61	C2.7	S16W10	4474
1984-04-28	20:17	20:20	81	C5.5	S17E01	4474
1984-04-29	02:44	02:51	11	C4.8	S13W12	4474
1984-04-29	05:42	06:56	170	M1.5	S17E02	4474
1984-04-29	11:28	11:28	9	C1.6	S13W30	4474
1984-04-29	14:01	14:10	18	C7.6	–	4474
1984-04-29	14:13	14:23	47	M1.0	S12W24	4474
1984-04-29	16:39	16:48	20	C3.7	S12W22	4474
1984-04-29	17:43	17:49	20	C9.7	S12W34	4474
1984-04-29	18:47	18:56	28	C3.2	S12W22	4474
1984-04-29	23:12	00:39	146	C3.6	S16W31	4474
1984-04-30	05:41	06:03	39	M1.1	–	4474
1984-04-30	06:21	06:31	23	M1.0	–	4474
1984-04-30	11:34	11:59	79	M2.3	S11W31	4474
1984-04-30	15:43	15:44	6	C1.1	S13W44	4474
1984-04-30	17:40	17:42	45	C3.3	S12W40	4474
1984-04-30	21:03	21:11	38	C1.9	S15W42	4474
1984-04-30	21:48	21:59	26	C1.8	S17W46	4474
1984-04-30	23:00	23:17	22	C1.6	S16W44	4474
1984-05-01	00:21	01:30	166	M4.0	S14W32	4474
1984-05-01	05:06	05:07	3	C6.1	S13W47	4474
1984-05-01	06:11	06:11	6	C4.1	S17W47	4474
1984-05-01	17:59	18:01	9	C1.0	S11W41	4474
1984-05-01	18:59	18:59	14	C1.8	S16W51	4474
1984-05-01	23:18	23:24	38	C2.1	S11W54	4474
1984-05-02	03:45	03:45	5	C1.1	S15W56	4474
1984-05-02	07:44	07:48	21	C1.1	S15W49	4474
1984-05-02	14:38	15:02	60	C2.7	S13W53	4474
1984-05-02	16:04	16:15	67	C7.9	S13W54	4474
1984-05-02	18:29	18:35	10	C1.9	S16W43	4474
1984-05-02	19:15	19:33	149	M3.0	S07W60	4474
1984-05-03	03:14	03:21	20	C7.1	S12W67	4474
1984-05-03	07:21	07:49	36	C1.3	S18W60	4474
1984-05-03	12:52	13:05	29	C1.1	S17W76	4474
1984-05-03	23:34	23:49	87	C3.6	S11W72	4474
1984-05-04	06:05	06:06	33	C3.3	S13W71	4474
1984-05-04	16:04	16:17	55	M1.3	–	4474
1984-05-05	18:08	18:27	41	M7.5	–	4474

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 4474 produced 100 C+ flares between 1984-04-21 and 1984-05-05.