Home › Flare history › Region ranking

Solar flares from active region 6018

C21

LargestM4.91990-04-13

Span10 days

Flares by day

1990-04-132

1990-04-146

1990-04-153

1990-04-162

1990-04-173

1990-04-182

1990-04-203

1990-04-213

1990-04-223

All flares

Date	Begin	Peak	Min	Class	Location	Region
1990-04-13	11:42	11:56	146	C7.0	S34E50	6018
1990-04-13	21:16	21:24	29	M4.9	S34E43	6018
1990-04-14	03:53	03:53	15	M1.3	S32E41	6018
1990-04-14	06:52	06:53	12	C6.3	S34E38	6018
1990-04-14	09:10	11:05	139	C3.5	S31E36	6018
1990-04-14	12:20	12:32	30	M1.0	S32E35	6018
1990-04-14	19:45	19:53	14	C2.4	S31E30	6018
1990-04-14	20:51	20:56	17	C5.7	S33E29	6018
1990-04-15	12:34	12:38	46	C5.4	S32E23	6018
1990-04-15	17:34	17:38	28	C9.4	S31E20	6018
1990-04-15	18:18	18:24	22	C3.2	S31E19	6018
1990-04-16	00:39	00:41	21	M2.0	S31E17	6018
1990-04-16	14:59	15:00	25	C3.4	S31E07	6018
1990-04-17	06:23	06:24	19	C3.3	S30E01	6018
1990-04-17	12:13	12:15	18	C2.5	S33E01	6018
1990-04-17	15:54	16:01	23	C5.9	S33W01	6018
1990-04-18	03:32	04:01	89	M1.5	S32W09	6018
1990-04-18	05:38	05:38	13	C4.2	S33W10	6018
1990-04-20	01:42	01:48	22	C2.2	S34W32	6018
1990-04-20	18:18	18:22	34	M1.5	S32W43	6018
1990-04-20	23:24	23:57	91	C9.4	S33W43	6018
1990-04-21	05:40	05:42	13	C2.1	S32W45	6018
1990-04-21	14:52	15:08	30	C3.3	S32W52	6018
1990-04-21	17:46	17:47	15	C3.3	S32W56	6018
1990-04-22	02:52	02:57	29	C5.3	S32W59	6018
1990-04-22	06:49	06:55	11	C2.1	S34W58	6018
1990-04-22	13:22	13:23	28	C2.5	S33W68	6018

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 6018 produced 27 C+ flares between 1990-04-13 and 1990-04-22.