Solar Demon Dimming Detection (sc)

Science! running on SDO/AIA 211 Synoptic data
2 minute cadence, typical delay 7 days
(detection version 1.00)

Detector 14 day operating status:

Last detected dimming:
   218 hours and 27 minutes ago (2025-10-23 22:45 UTC)

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   At least -300K
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   Last week
   -- Last 30 days
   Last 365 days

Dimming 20550

Overview of dimmings

	intensity	start	peak	end	#	max drop	lat	lon	dist. R☉	AR	count	flare
October, 2025
23	-20	21:13	21:23	22:45	20550	35	-14	25	0.52	AR 4256	55
23	-5	18:57	18:57	19:23	20549	2				AR 4257	22
23	-215	16:59	17:15	18:43	20548	27			1.12		61
23	-163	15:25	15:57	16:33	20547	99	-21	25	0.59	AR 4256	43	A7
23	-25	13:45	13:45	14:13	20546	10			1.09		23
23	-30	13:17	13:17	13:41	20545	18	-38	-45	0.87		21
23	-256	08:55	10:31	11:01	20544	109	-46	-3	0.79	AR 4259	72
23	-38	01:47	01:51	02:21	20543	46			1.17		26	B3
22	-76	21:31	21:47	22:45	20542	183			1.04		46
22	-38	16:31	16:55	16:57	20541	22			1.12		22
22	-204	13:01	14:01	16:07	20540	39	-17	-24	0.55	AR 4259	102	B9
22	-129	09:53	10:09	10:45	20539	52			1.08		35	B2
22	-390	06:29	07:15	08:19	20538	49			1.17		64	C2
22	-1	04:31	04:39	05:17	20537	4	-15	-26	0.54	AR 4262	32
22	-903	00:29	00:35	03:17	20536	131	-23	-44	0.79	AR 4261	93	C2
21	-37	21:57	22:05	22:35	20535	14			1.11		28
21	-192	20:39	20:45	21:29	20534	229			1.02		29
21	-59	15:53	15:57	16:27	20533	49			1.17		26
21	-36	15:07	15:07	15:31	20532	23	1	48	0.75	AR 4252	21
21	-49	06:49	06:53	07:21	20531	116	-4	43	0.71	AR 4252	25	C2
21	-27	03:35	03:35	04:09	20530	26				AR 4254	26
20	-87	23:23	23:29	00:29	20529	11			1.14		42	B6
20	-6	22:03	22:05	22:29	20528	2				AR 4254	22
20	-150	17:17	17:21	19:25	20527	55	-2	36	0.60	AR 4252	73	A7
20	-118	15:11	15:23	16:13	20526	101			1.14		40
20	-38	10:59	11:23	12:03	20525	18			1.16		41
20	-86	09:59	09:59	10:55	20524	65			1.14		37	B2
20	-13	08:41	08:45	09:19	20523	22			1.13		28
20	-10	07:59	07:59	08:31	20522	6			1.15		25	B9
20	-421	05:15	05:29	07:15	20521	182			1.12		69	C4
20	-134	02:59	03:11	04:09	20520	35	8	-34	0.57	AR 4257	44
20	-147	01:19	01:51	02:43	20519	11			1.15		51
19	-461	22:17	23:31	00:17	20518	10	1	-45	0.71	AR 4257	69
19	-39	21:39	21:39	22:03	20517	13			1.15		21	B8
19	-55	20:29	20:31	21:33	20516	5			1.18		40	C5
19	-45	14:59	14:59	15:23	20515	35	-7	-1	0.22	AR 4254	21
19	-15	12:31	12:37	13:23	20514	5				AR 4254	35	B4
19	0	07:23	07:25	07:51	20513	0				AR 4254	23
19	-29	06:03	06:07	07:01	20512	7			1.13		38	C1
19	-8	03:41	03:45	04:13	20511	7			1.15		25	B3
19	-2	01:49	01:51	02:21	20510	3				AR 4252	25	B4
19	-32	00:07	00:29	00:59	20509	27			1.12		35	B2
18	-38	21:41	22:07	22:45	20507	49	-12	-40	0.70	AR 4256	41	B1
18	0	20:49	21:01	21:25	20506	0				AR 4255	26	B2
18	-5	17:03	17:03	17:27	20504	13	-12	-41	0.71	AR 4256	21	B3
18	-144	14:23	15:13	16:07	20503	12			1.14		61	C5
18	-33	12:11	12:51	13:17	20502	9			1.14		42	B5
18	-4	11:13	11:15	11:39	20501	5			1.14		22	C8
18	-82	08:59	09:03	09:49	20500	53			1.12		34	B2
18	-259	05:51	07:31	07:57	20499	81			1.18		72	C8
18	-127	04:17	04:29	05:31	20498	38	-3	72	0.96	AR 4248	46	A7
18	-24	03:33	03:35	04:03	20497	13	-2	73	0.97	AR 4248	24	B3
18	-48	02:23	02:41	03:15	20496	5			1.22		35	C6
18	-4	01:49	01:49	02:13	20495	3			1.11		21	A7
18	-119	00:43	01:01	01:27	20494	104	-35	21	0.72		31	C4
17	0	23:53	23:53	00:17	20493	1				AR 4252	21	C4
17	-55	22:55	22:59	23:29	20492	37	-13	36	0.65	AR 4250	26
17	-18	22:09	22:17	22:49	20491	6			1.07		29	C2
17	-333	20:17	20:37	21:49	20490	64			1.08		54	A9
17	-341	16:25	17:01	19:41	20489	31			1.06		107	C7
17	-453	11:23	11:35	13:41	20488	45			1.14		78	B5
17	-36	08:51	08:57	09:41	20487	15	-1	42	0.68	AR 4250	34
17	-30	08:11	08:11	08:47	20486	16	-1	34	0.58	AR 4250	27
17	-13	07:31	07:33	07:57	20485	8	-24	12	0.54	AR 4252	22	C4
17	-96	05:25	06:03	07:11	20484	59	10	36	0.59	AR 4250	62	C1
17	-25	04:33	04:37	05:03	20483	63			1.14		24
17	-16	01:57	01:57	02:53	20482	23				AR 4252	37	C6
17	-1	00:45	00:47	01:23	20481	2				AR 4252	28	B2
16	-10	22:05	22:07	22:31	20480	10			1.12		22	A8
16	-72	20:17	20:17	21:13	20479	18	-4	45	0.73	AR 4248	36
16	-17	17:37	17:37	18:01	20478	30	11	54	0.82	AR 4246	21	B1
16	-16	15:23	15:41	16:49	20477	11	6	44	0.70	AR 4248	52	B4
16	-13	13:37	13:49	14:13	20476	21				AR 4252	27
16	-9	12:53	12:53	13:17	20475	7				AR 4252	21	B8
16	-115	11:25	11:27	12:39	20474	38	-12	33	0.61	AR 4248	46	A8
16	-238	09:17	09:29	11:21	20473	154	28	73	0.96	AR 4246	71	B1
16	-50	08:13	08:27	08:59	20472	29	-3	35	0.60	AR 4248	32	B2
16	-7	06:59	07:23	07:49	20471	9	17	68	0.93	AR 4246	34
16	-12	04:39	04:39	05:03	20470	19	27	75	0.97	AR 4246	21	B5
16	-16	04:07	04:07	04:33	20469	11			1.05		22	B5
15	-1,421	21:39	22:53	03:49	20468	90	24	49	0.79	AR 4246	194
15	-12	21:05	21:11	21:35	20467	7				AR 4251	24	B2
15	-19	19:59	19:59	20:23	20466	26	-14	22	0.50	AR 4248	21	B9
15	-48	18:57	19:01	19:31	20465	43				AR 4250	26	B3
15	-11	18:13	18:25	18:51	20464	29	26	42	0.71	AR 4246	25	C2
15	-39	11:33	11:37	12:03	20463	34	26	58	0.86	AR 4246	24	B1
15	-56	10:59	10:59	11:23	20462	20	1	23	0.40	AR 4248	21	C2
15	-41	10:01	10:27	10:53	20461	42	17	42	0.68	AR 4246	35	C2
15	-6	09:27	09:29	09:53	20460	3	4	24	0.41	AR 4248	22	B2
15	-13	07:41	07:55	08:25	20459	32	22	51	0.80	AR 4246	31	M2
15	-643	03:25	04:57	06:15	20458	259	27	50	0.79	AR 4246	94	M2
15	-72	01:55	02:43	03:13	20457	32	28	46	0.76	AR 4246	48
15	-38	00:19	00:21	01:09	20456	8	31	40	0.72	AR 4246	34	A9
14	-59	22:45	23:05	23:57	20455	6	27	46	0.75	AR 4246	45	B3
14	-346	19:41	19:43	22:37	20454	62	29	33	0.63	AR 4246	96	B3
14	-35	18:39	18:53	19:21	20453	12	1	12	0.23	AR 4248	30	B3
14	-150	16:45	17:59	18:27	20452	7	8	18	0.31	AR 4248	60
14	-150	13:55	15:19	16:23	20451	39	23	43	0.71	AR 4246	83	B9
14	-185	12:49	12:55	13:45	20450	131	3	8	0.15	AR 4248	37	C7
14	-6	11:59	12:01	12:29	20449	12	20	37	0.63	AR 4246	24
14	-27	11:21	11:23	11:47	20448	13	6	-59	0.86	AR 4252	22	C1
14	-330	07:41	08:21	10:49	20447	67	27	37	0.67	AR 4246	103
14	-1	07:11	07:11	07:37	20446	3				AR 4250	22	B2
14	-127	05:25	05:39	06:03	20445	59	7	-56	0.84	AR 4252	28	C1
14	-196	04:21	04:37	05:21	20444	88	23	-61	0.89		39	B1
13	-963	23:59	00:59	04:07	20443	35	20	-63	0.90		133	C6
13	-20	22:37	22:37	23:11	20442	7	30	27	0.58	AR 4246	26	B2
13	-16	21:09	21:13	21:39	20441	6	29	27	0.57	AR 4246	24
13	-9	19:21	19:21	19:47	20440	10				AR 4248	22	C4
13	-503	15:37	17:07	18:01	20439	19	1	-10	0.20	AR 4250	81	C3
13	-550	13:07	13:13	15:25	20438	336	28	28	0.57	AR 4246	78	C7
13	-424	09:39	11:03	12:17	20437	35	12	22	0.38	AR 4246	88	C4
13	-63	08:31	08:35	09:19	20436	41	22	13	0.35	AR 4246	33	B4
13	-1,294	04:05	05:21	07:59	20435	140	17	11	0.27	AR 4246	126	C9
13	-558	00:09	00:27	03:03	20434	169	25	20	0.46	AR 4246	96	C5
12	-22	22:43	22:43	23:07	20433	10				AR 4248	21
12	-90	20:43	21:31	22:15	20432	17	23	10	0.33	AR 4246	54	C3
12	-103	18:57	19:31	20:07	20431	39	3	-27	0.47	AR 4250	44
12	-3	16:45	16:45	17:09	20430	6	25	5	0.33	AR 4246	21	C1
12	-1,039	13:21	14:03	16:41	20429	679	22	22	0.45	AR 4246	109	C6
12	-44	12:15	12:45	13:09	20428	6	4	-17	0.30	AR 4248	36	B3
12	-210	10:45	11:07	11:49	20427	187	23	24	0.48	AR 4246	41	B5
12	-14	08:57	08:57	09:21	20426	17			1.02		21
12	-42	07:59	08:11	08:39	20425	20			1.02		29
12	-156	05:47	05:55	06:29	20424	252	24	19	0.43	AR 4246	30	B1
12	-129	00:27	00:39	01:11	20423	221	26	14	0.41	AR 4246	31	B1
11	-51	23:33	23:33	00:05	20422	69	24	12	0.37	AR 4246	25
11	-183	22:01	22:13	22:47	20421	23	-15	41	0.72	AR 4247	32
11	-637	17:07	17:51	18:55	20420	261			1.12		63
11	-23	15:59	15:59	16:23	20419	30	27	1	0.36	AR 4246	21	B1
11	-27	14:33	14:33	15:01	20418	30	5	-43	0.69	AR 4248	23
11	-37	12:17	12:23	12:49	20417	9	5	-49	0.76	AR 4248	25	B6
11	-191	10:39	10:43	11:33	20416	347	25	4	0.33	AR 4246	36	B6
11	-68	08:59	08:59	09:23	20415	19	-31	-56	0.91	AR 4249	21
11	-347	01:13	01:33	02:41	20414	105	36	-18	0.57	AR 4246	53
10	-23	22:11	22:11	22:57	20413	8	21	-12	0.33		32	B6
10	-82	20:19	20:19	20:55	20412	71	22	-14	0.36		27	B9
10	-39	06:27	06:29	07:01	20411	97	-32	-9	0.64		26	C1
9	-40	20:51	21:13	21:53	20410	4			1.12		39
9	-32	18:39	18:43	19:49	20409	25				AR 4247	44	B3
9	0	15:39	15:41	16:09	20408	0				AR 4247	24
9	-415	12:21	12:37	13:29	20407	259			1.14		43	C8
9	-17	10:03	10:03	10:29	20406	6				AR 4247	22	B2
9	-615	04:21	04:49	06:07	20405	61	32	-44	0.76		62	B7
8	-2	02:55	02:55	03:19	20404	7	-20	-70	0.97		21
8	-1	00:31	00:31	00:55	20403	4				AR 4247	21
7	-52	22:45	22:49	23:39	20402	86	28	-47	0.77	AR 4246	36
7	-66	20:33	20:33	21:07	20401	51	16	73	0.96	AR 4236	21
7	-449	05:43	06:37	08:01	20400	78	-20	-55	0.88	AR 4244	78
7	-3	02:17	02:41	03:59	20399	2	17	47	0.74	AR 4235	60
6	-49	20:41	20:43	21:49	20398	8				AR 4242	42	C2
6	-18	15:23	15:23	15:47	20397	40	-12	60	0.89	AR 4232	21	B2
6	-29	10:03	10:03	10:27	20396	42			1.13		21	B5
6	-403	08:17	09:03	09:53	20395	383			1.14		57	B3
6	-230	03:45	03:55	05:17	20394	127	-12	-41	0.71	AR 4244	55
6	-21	02:29	02:35	03:05	20393	12	-20	-58	0.90	AR 4244	27
6	-304	00:25	01:09	02:17	20392	359			1.03		65	C2
5	-65	22:51	23:19	23:57	20391	13	-11	-45	0.75		42	B1
5	-17	21:03	21:03	21:29	20390	25				AR 4242	22
5	-115	19:57	20:01	20:57	20389	13			1.16		39
5	-12	18:17	18:19	18:45	20388	25			1.14		23	B2
5	-25	16:41	17:05	17:57	20387	80			1.12		47	B1
5	-5	15:59	15:59	16:23	20386	3	20	-40	0.66	AR 4243	21
5	-85	13:25	13:51	14:27	20385	17			1.12		40	B7
5	-106	12:23	12:25	13:21	20384	195			1.15		38
5	-86	10:45	10:49	11:43	20383	23			1.16		38	A8
5	-11	09:53	09:55	10:23	20382	6			1.13		24	B2
5	-134	07:15	07:35	08:25	20381	102			1.11		44
5	-117	05:39	05:45	06:25	20380	127			1.15		32
5	-168	03:57	03:57	05:25	20379	34			1.22		53	B3
5	-4	02:27	02:27	02:51	20378	16			1.16		21	A8
4	-347	23:27	23:29	02:21	20377	32				AR 4241	96	B5
4	-65	22:11	22:23	22:51	20376	14	-4	-19	0.37	AR 4242	29	B2
4	-78	21:01	21:09	21:47	20375	50	-6	-18	0.38	AR 4242	32	B2
4	-558	16:41	16:41	19:31	20374	194			1.18		94
4	-24	14:37	14:37	15:09	20373	6	-13	-26	0.55	AR 4242	25	B4
4	-208	07:39	08:53	09:37	20372	28			1.19		68	B1
4	-7	05:41	05:57	06:23	20371	12				AR 4241	30	B6
4	-298	03:57	04:31	05:35	20370	221			1.17		58	B7
4	-17	03:15	03:17	03:41	20369	44	-4	19	0.38	AR 4232	22	C2
3	-11	20:35	21:01	21:29	20367	6			1.18		35	B7
3	-34	17:03	17:03	17:29	20366	55				AR 4232	22
3	-4	16:23	16:27	16:59	20365	6				AR 4232	27
3	-467	14:13	14:47	16:17	20364	92	4	21	0.37	AR 4236	71	C4
3	-8	13:25	13:27	14:05	20363	9	12	27	0.46	AR 4236	29
3	-122	12:29	12:31	13:15	20362	86			1.23		32
3	-1,881	05:03	05:23	07:47	20361	2,115	17	3	0.18	AR 4233	91	C6

The research leading to these results has received funding from the European Commission's Seventh Framework Programme (FP7/2007-2013) under the grant agreement nr. 263506 [AFFECTS], and grant agreement nr. 263252 [COMESEP]
Solar Demon is still under construction.
( Legal notices - SWSC (Volume 5, A18, 2015) research article:Solar Demon - an approach to detecting flares, dimmings, and EUV waves on SDO/AIA images )