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)

	Overview of dimming 15509
Detector 24h operating status: Last processed image: 0 hours and 24 minutes ago (2026-05-03 09:21 UTC) Last detected dimming: 0 hours and 41 minutes ago (2026-05-03 09:03 UTC) Overview for dimming #: 15509 back to overview Animations and graphs derotated original images ( non-derotated ) dimming intensity dimming mask base difference ( percentage ) running difference ( percentage )	more	more	more

Details for dimming #: 15509
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2026-04-27 15:48:11 1 0.0 0.0 0.0 0.0 0 , 1.01 3745235

2026-04-27 15:51:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3745238

2026-04-27 15:54:11 3 0.0 0.0 0.0 0.0 0 , 0.00 3745239

2026-04-27 15:57:11 4 0.0 0.0 0.0 0.0 0 , 1.65 3745242

2026-04-27 16:00:11 5 0.0 0.0 0.0 0.0 0 , 1.09 3745243

2026-04-27 16:03:11 6 0.0 0.0 0.0 0.0 0 , 2.95 3745246

2026-04-27 16:06:11 7 0.0 0.0 0.0 0.0 0 , 2.45 3745247

2026-04-27 16:09:11 8 0.0 0.0 0.0 0.0 0 , 1.28 3745250

2026-04-27 16:12:11 9 -4.3 -18.0 -22.2 0.6 185 16.1 4.9 0.08, 0.36 0.37 6.19 3745251

2026-04-27 16:15:11 10 -5.7 -19.5 -16.0 1.0 284 15.9 4.8 0.08, 0.35 0.36 2.80 3745254

2026-04-27 16:18:11 11 -5.9 -22.8 -18.6 0.9 264 16.0 5.8 0.10, 0.36 0.37 0.00 3745255

2026-04-27 16:21:11 12 -8.3 -26.8 -17.3 1.3 386 16.0 5.2 0.09, 0.35 0.36 0.00 3745258

2026-04-27 16:24:11 13 -18.7 -29.1 -14.7 4.0 1075 17.1 2.0 0.03, 0.37 0.38 14.64 3745259

2026-04-27 16:27:11 14 -21.5 -31.4 -15.0 4.5 1215 17.3 1.8 0.03, 0.38 0.38 7.50 3745262

2026-04-27 16:30:11 15 -24.7 -34.3 -15.2 5.1 1363 17.3 1.8 0.03, 0.38 0.38 3.04 3745263

2026-04-27 16:33:11 16 -26.6 -34.5 -15.6 5.4 1431 17.2 2.2 0.04, 0.37 0.38 7.11 3745266

2026-04-27 16:36:11 17 -28.8 -35.2 -16.1 5.6 1499 17.2 2.2 0.04, 0.37 0.38 1.63 3745267

2026-04-27 16:39:11 18 -33.0 -36.7 -15.9 6.5 1750 18.0 0.0 0.00, 0.39 0.39 0.00 3745270

2026-04-27 16:42:11 19 -36.0 -36.8 -15.8 7.0 1875 18.7 -2.1 -0.03, 0.40 0.40 0.00 3745271

2026-04-27 16:45:11 20 -40.0 -37.7 -15.7 7.8 2080 18.7 -2.0 -0.03, 0.40 0.40 0.00 3745274

2026-04-27 16:48:11 21 -45.2 -39.8 -15.3 8.6 2318 18.2 -1.6 -0.03, 0.39 0.39 0.00 3745275

2026-04-27 16:51:11 22 -46.7 -40.2 -16.1 8.5 2273 17.7 -0.5 -0.01, 0.38 0.38 0.00 3745278

2026-04-27 16:54:11 23 -48.5 -40.8 -16.0 8.9 2377 17.6 -0.3 -0.01, 0.38 0.38 0.00 3745279

2026-04-27 16:57:11 24 -51.8 -41.3 -15.9 9.6 2561 18.1 -1.1 -0.02, 0.39 0.39 0.00 3745282

2026-04-27 17:00:11 25 -55.0 -41.9 -16.3 10.0 2675 18.4 -2.2 -0.04, 0.39 0.40 0.00 3745283

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 )

time	seq #	total intensity	max intensity	median intensity	area	size	lat	lon	x,y in R☉	dist. R☉	detection	Img ID
2026-04-27 15:48:11	1	0.0	0.0	0.0	0.0	0			,		1.01	3745235
2026-04-27 15:51:11	2	0.0	0.0	0.0	0.0	0			,		0.00	3745238
2026-04-27 15:54:11	3	0.0	0.0	0.0	0.0	0			,		0.00	3745239
2026-04-27 15:57:11	4	0.0	0.0	0.0	0.0	0			,		1.65	3745242
2026-04-27 16:00:11	5	0.0	0.0	0.0	0.0	0			,		1.09	3745243
2026-04-27 16:03:11	6	0.0	0.0	0.0	0.0	0			,		2.95	3745246
2026-04-27 16:06:11	7	0.0	0.0	0.0	0.0	0			,		2.45	3745247
2026-04-27 16:09:11	8	0.0	0.0	0.0	0.0	0			,		1.28	3745250
2026-04-27 16:12:11	9	-4.3	-18.0	-22.2	0.6	185	16.1	4.9	0.08, 0.36	0.37	6.19	3745251
2026-04-27 16:15:11	10	-5.7	-19.5	-16.0	1.0	284	15.9	4.8	0.08, 0.35	0.36	2.80	3745254
2026-04-27 16:18:11	11	-5.9	-22.8	-18.6	0.9	264	16.0	5.8	0.10, 0.36	0.37	0.00	3745255
2026-04-27 16:21:11	12	-8.3	-26.8	-17.3	1.3	386	16.0	5.2	0.09, 0.35	0.36	0.00	3745258
2026-04-27 16:24:11	13	-18.7	-29.1	-14.7	4.0	1075	17.1	2.0	0.03, 0.37	0.38	14.64	3745259
2026-04-27 16:27:11	14	-21.5	-31.4	-15.0	4.5	1215	17.3	1.8	0.03, 0.38	0.38	7.50	3745262
2026-04-27 16:30:11	15	-24.7	-34.3	-15.2	5.1	1363	17.3	1.8	0.03, 0.38	0.38	3.04	3745263
2026-04-27 16:33:11	16	-26.6	-34.5	-15.6	5.4	1431	17.2	2.2	0.04, 0.37	0.38	7.11	3745266
2026-04-27 16:36:11	17	-28.8	-35.2	-16.1	5.6	1499	17.2	2.2	0.04, 0.37	0.38	1.63	3745267
2026-04-27 16:39:11	18	-33.0	-36.7	-15.9	6.5	1750	18.0	0.0	0.00, 0.39	0.39	0.00	3745270
2026-04-27 16:42:11	19	-36.0	-36.8	-15.8	7.0	1875	18.7	-2.1	-0.03, 0.40	0.40	0.00	3745271
2026-04-27 16:45:11	20	-40.0	-37.7	-15.7	7.8	2080	18.7	-2.0	-0.03, 0.40	0.40	0.00	3745274
2026-04-27 16:48:11	21	-45.2	-39.8	-15.3	8.6	2318	18.2	-1.6	-0.03, 0.39	0.39	0.00	3745275
2026-04-27 16:51:11	22	-46.7	-40.2	-16.1	8.5	2273	17.7	-0.5	-0.01, 0.38	0.38	0.00	3745278
2026-04-27 16:54:11	23	-48.5	-40.8	-16.0	8.9	2377	17.6	-0.3	-0.01, 0.38	0.38	0.00	3745279
2026-04-27 16:57:11	24	-51.8	-41.3	-15.9	9.6	2561	18.1	-1.1	-0.02, 0.39	0.39	0.00	3745282
2026-04-27 17:00:11	25	-55.0	-41.9	-16.3	10.0	2675	18.4	-2.2	-0.04, 0.39	0.40	0.00	3745283