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Solar flares from active region 10540

C13

LargestM6.12004-01-20

Span9 days

Flares by day

2004-01-121

2004-01-152

2004-01-176

2004-01-182

2004-01-196

2004-01-201

All flares

Date	Begin	Peak	Min	Class	Location	Region
2004-01-12	19:12	19:17	11	C1.1	S14E81	10540
2004-01-15	06:20	06:32	17	C3.2	S15E52	10540
2004-01-15	22:57	23:04	16	C1.2	S15E43	10540
2004-01-17	03:35	03:48	25	C1.6	S15E28	10540
2004-01-17	07:51	08:01	25	C1.0	S15E25	10540
2004-01-17	09:11	09:16	9	C1.4	S11E20	10540
2004-01-17	12:43	12:49	11	C1.5	S15E24	10540
2004-01-17	15:10	15:17	12	C1.1	S14E20	10540
2004-01-17	17:35	17:50	24	M5.0	S15E19	10540
2004-01-18	00:07	00:17	14	M1.4	S15E18	10540
2004-01-18	21:40	21:44	9	C1.4	S16E09	10540
2004-01-19	02:06	02:13	13	C1.1	S16E06	10540
2004-01-19	02:26	02:31	9	C1.7	S16E06	10540
2004-01-19	02:48	02:55	15	C1.2	S16E05	10540
2004-01-19	05:25	05:32	10	M1.0	S16E04	10540
2004-01-19	12:30	12:40	16	M1.0	S16W00	10540
2004-01-19	19:54	20:02	14	C8.2	S16W05	10540
2004-01-20	07:29	07:43	18	M6.1	S15W13	10540

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 10540 produced 18 C+ flares between 2004-01-12 and 2004-01-20.