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Solar flares from active region 11928

C18

LargestM3.32013-12-22

Span3 days

Flares by day

2013-12-213

2013-12-2212

2013-12-239

All flares

Date	Begin	Peak	Min	Class	Location	Region
2013-12-21	10:27	10:36	17	C9.2	S18W41	11928
2013-12-21	18:33	18:41	19	C2.0	S19W45	11928
2013-12-21	23:16	23:20	15	C2.3	S16W47	11928
2013-12-22	03:35	03:47	23	C5.1	S16W48	11928
2013-12-22	04:40	04:46	13	C4.7	S16W48	11928
2013-12-22	08:05	08:11	13	M1.9	S17W51	11928
2013-12-22	08:33	08:37	8	M1.1	S17W52	11928
2013-12-22	11:19	11:26	16	C3.7	S21W50	11928
2013-12-22	14:24	14:38	24	M1.6	S19W56	11928
2013-12-22	15:06	15:12	13	M3.3	S19W56	11928
2013-12-22	18:55	19:09	22	C8.8	S17W59	11928
2013-12-22	19:21	19:25	9	C6.1	S17W59	11928
2013-12-22	20:29	20:34	10	C6.1	S18W56	11928
2013-12-22	21:23	22:08	50	M1.6	S17W59	11928
2013-12-22	22:36	22:44	18	C8.2	S17W58	11928
2013-12-23	01:10	01:14	9	C2.7	S17W60	11928
2013-12-23	01:38	01:46	17	C4.5	S17W60	11928
2013-12-23	01:58	02:02	8	C4.4	S17W62	11928
2013-12-23	05:51	05:55	7	C3.3	S18W62	11928
2013-12-23	07:53	07:58	9	C7.9	S18W65	11928
2013-12-23	08:59	09:06	10	M1.6	S18W64	11928
2013-12-23	19:14	19:21	13	C2.9	S18W70	11928
2013-12-23	19:54	20:01	9	C2.3	S18W69	11928
2013-12-23	21:01	21:05	6	C1.1	S18W69	11928

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 11928 produced 24 C+ flares between 2013-12-21 and 2013-12-23.