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Solar flares from active region 5947

C22

LargestM2.91990-02-23

Span11 days

Flares by day

1990-02-192

1990-02-203

1990-02-223

1990-02-231

1990-02-252

1990-02-264

1990-02-274

1990-02-282

1990-03-014

All flares

Date	Begin	Peak	Min	Class	Location	Region
1990-02-19	06:37	06:38	45	C2.6	S17E80	5947
1990-02-19	11:35	12:35	84	C5.2	S16E80	5947
1990-02-20	00:13	00:22	13	C2.0	S13E75	5947
1990-02-20	01:02	01:26	48	C5.7	S14E75	5947
1990-02-20	04:05	04:06	13	C5.1	S17E71	5947
1990-02-22	05:40	05:44	14	C1.6	S15E48	5947
1990-02-22	14:40	14:50	88	M1.2	S20E41	5947
1990-02-22	21:52	21:56	10	C1.7	S17E32	5947
1990-02-23	12:53	13:02	63	M2.9	S19E28	5947
1990-02-25	01:57	02:01	18	C2.3	S15E08	5947
1990-02-25	08:48	08:59	30	C2.4	S15E05	5947
1990-02-26	04:24	04:31	14	C4.1	S16W05	5947
1990-02-26	06:25	06:26	8	C1.7	S20W04	5947
1990-02-26	07:16	07:25	19	C2.9	S19W02	5947
1990-02-26	20:56	20:59	4	C2.1	S21W16	5947
1990-02-27	07:04	07:05	6	C7.4	S22W16	5947
1990-02-27	08:27	08:43	53	C5.7	S20W19	5947
1990-02-27	12:48	12:50	11	C2.1	S20W21	5947
1990-02-27	19:30	19:37	31	C3.4	S20W22	5947
1990-02-28	02:33	02:39	10	C3.0	S20W26	5947
1990-02-28	11:57	11:57	9	C2.3	S18W36	5947
1990-03-01	03:56	04:09	57	M1.7	S19W45	5947
1990-03-01	13:12	13:17	8	C2.7	S21W46	5947
1990-03-01	20:41	20:46	16	C2.8	S15W54	5947
1990-03-01	22:40	22:47	17	C2.8	S18W56	5947

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 5947 produced 25 C+ flares between 1990-02-19 and 1990-03-01.