Solar Demon Dimming Detection (qlk)

Quick-look! running in real time on SDO/AIA 211 QLK data
3 minute cadence, typical delay 15 minutes
(detection version 1.00)

(view all Solar Demon detection tools)

Detector 24h operating status:

Last processed image:

0 hours and 20 minutes ago (2026-02-28 22:42 UTC)

Last detected dimming:
   0 hours and 29 minutes ago (2026-02-28 22:33 UTC)

Filters (location)
   -- All locations
   On-disc
   Off-disc
Filters (intensity)
   -- All intensities
   At least -100K
   At least -300K
   At least -900K
Filters (time)
   -- Last 7 days
   Last 14 days

Dimming 15172

Overview of dimmings

	intensity	start	peak	end	#	max drop	lat	lon	dist. R☉	AR	count	flare
February, 2026
28	-20	20:30	20:33	20:57	15171	27	34	-22	0.73	AR 4378	15
28	-19	19:51	19:51	20:21	15170	7	25	-31	0.71	AR 4378	16
28	-192	17:18	17:33	18:45	15169	46	15	61	0.91		35	B6
28	-23	16:33	16:36	17:12	15168	15					19	B2
28	-4	14:27	14:27	14:54	15167	7					15	C1
28	-5	12:51	12:51	13:15	15166	7	5	-63	0.91	AR 4381	14
28	-8	10:42	10:45	11:09	15165	6	6	-64	0.92	AR 4381	11
28	-94	07:39	07:42	08:39	15164	52	18	-37	0.71	AR 4378	26	B1
28	-347	05:30	05:51	07:27	15163	60	28	-20	0.65		45	B9
28	-19	01:39	01:39	02:06	15162	5			1.13		15
28	-42	00:42	00:54	01:24	15161	31			1.14		20
27	-7	20:15	20:48	21:12	15160	9	14	-46	0.78	AR 4378	25
27	-33	17:36	17:36	18:03	15159	47	15	-33	0.65	AR 4378	15
27	-21	15:30	15:30	15:57	15158	23					15
27	-10	13:06	13:06	13:48	15157	8					20
27	-79	12:09	12:27	12:51	15156	34	30	-26	0.72		20
27	-34	10:15	10:18	11:12	15155	30			1.15		23
27	-223	08:48	08:48	10:09	15154	73			1.07		23	B2
26	-31	17:30	17:30	18:00	15153	29					16	B6
26	-70	06:00	06:03	06:57	15152	42			1.12		25
25	-40	23:06	23:06	23:48	15151	36			1.11		20	B2
25	-288	16:00	16:00	17:36	15150	292			1.16		38	M2
25	-129	12:48	12:51	13:48	15149	32			1.10		26	B3
25	-893	06:48	07:39	08:48	15148	148	13	7	0.37		46	B2
25	-77	03:30	03:39	04:12	15147	48	-1	-22	0.39		20	B3
24	-16	23:18	23:18	23:48	15146	19			1.15		16	B3
24	-75	16:48	16:48	17:45	15144	17			1.13		25	C1
24	-34	13:12	13:15	13:45	15143	16			1.17		17	B9
24	-560	09:57	11:48	13:03	15142	44			1.12		68
23	-217	23:12	23:24	00:30	15141	83	25	-34	0.73		32
22	-47	18:36	18:36	19:00	15140	27	6	-60	0.88		14
22	-833	15:15	16:21	17:39	15139	116	-26	-76	0.97		54
22	-92	13:54	13:57	14:33	15138	37	28	-38	0.79		19
22	-81	12:06	12:30	13:00	15137	37			1.15		24
21	-271	12:36	12:51	13:51	15136	205	4	-35	0.61		31

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 )