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 15523
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 #: 15523 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 #: 15523
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2026-04-28 17:00:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3746245

2026-04-28 17:03:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3746246

2026-04-28 17:06:35 3 0.0 0.0 0.0 0.0 0 , 0.00 3746247

2026-04-28 17:09:11 4 0.0 0.0 0.0 0.0 0 , 1.19 3746250

2026-04-28 17:12:11 5 0.0 0.0 0.0 0.0 0 , 1.02 3746251

2026-04-28 17:15:11 6 0.0 0.0 0.0 0.0 0 , 1.70 3746254

2026-04-28 17:18:11 7 0.0 0.0 0.0 0.0 0 , 0.00 3746255

2026-04-28 17:21:11 8 0.0 0.0 0.0 0.0 0 , 0.00 3746258

2026-04-28 17:24:11 9 0.0 0.0 -15.0 0.0 2 6.9 41.0 0.66, 0.18 0.68 0.93 3746259

2026-04-28 17:27:11 10 -0.1 0.0 -14.3 0.0 6 6.9 41.2 0.66, 0.18 0.69 0.00 3746262

2026-04-28 17:30:23 11 -0.1 -0.9 -18.0 0.0 8 6.9 41.2 0.66, 0.18 0.69 0.00 3746263

2026-04-28 17:33:11 12 -2.3 -11.6 -12.7 0.6 167 6.9 41.2 0.66, 0.18 0.69 0.00 3746266

2026-04-28 17:36:11 13 -3.4 -12.9 -12.1 0.8 246 -8.3 23.1 0.39, -0.07 0.40 4.04 3746267

2026-04-28 17:39:11 14 -5.1 -15.6 -11.5 1.3 372 -10.5 20.5 0.35, -0.11 0.37 2.63 3746270

2026-04-28 17:42:11 15 -6.0 -13.0 -12.1 1.5 432 -12.2 18.8 0.32, -0.14 0.35 0.00 3746271

2026-04-28 17:45:11 16 -6.6 -12.6 -12.6 1.6 468 -11.2 20.2 0.34, -0.12 0.37 0.00 3746274

2026-04-28 17:48:11 17 -7.0 -13.0 -12.7 1.7 501 -7.1 25.3 0.43, -0.05 0.43 0.00 3746275

2026-04-28 17:51:11 18 -10.0 -14.5 -13.5 2.3 667 -6.8 25.4 0.43, -0.05 0.43 0.00 3746278

2026-04-28 17:54:11 19 -12.9 -17.7 -14.8 2.8 817 -7.3 24.3 0.41, -0.06 0.42 7.58 3746279

2026-04-28 17:57:11 20 -14.2 -22.1 -14.2 3.0 882 -9.3 21.6 0.37, -0.09 0.38 0.98 3746282

2026-04-28 18:00:11 21 -16.2 -26.5 -13.9 3.3 975 -10.1 20.5 0.35, -0.10 0.37 0.00 3746283

2026-04-28 18:03:11 22 -18.4 -29.2 -15.2 3.6 1036 -9.9 21.1 0.36, -0.10 0.37 0.00 3746286

2026-04-28 18:06:11 23 -19.2 -30.4 -14.9 3.8 1100 -9.5 21.4 0.36, -0.10 0.38 0.00 3746289

2026-04-28 18:09:11 24 -19.0 -32.8 -15.3 3.7 1071 -10.4 20.6 0.35, -0.11 0.37 0.00 3746290

2026-04-28 18:12:23 25 -19.6 -35.0 -15.1 3.7 1079 -9.7 21.5 0.37, -0.10 0.38 0.00 3746291

2026-04-28 18:15:11 26 -18.5 -34.9 -14.6 3.5 1009 -9.2 22.2 0.38, -0.09 0.39 0.00 3746294

2026-04-28 18:18:11 27 -21.1 -39.4 -15.1 3.8 1104 -9.7 21.6 0.37, -0.10 0.38 0.00 3746295

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
2026-04-28 17:00:11	1	0.0	0.0	0.0	0.0	0			,		0.00	3746245
2026-04-28 17:03:11	2	0.0	0.0	0.0	0.0	0			,		0.00	3746246
2026-04-28 17:06:35	3	0.0	0.0	0.0	0.0	0			,		0.00	3746247
2026-04-28 17:09:11	4	0.0	0.0	0.0	0.0	0			,		1.19	3746250
2026-04-28 17:12:11	5	0.0	0.0	0.0	0.0	0			,		1.02	3746251
2026-04-28 17:15:11	6	0.0	0.0	0.0	0.0	0			,		1.70	3746254
2026-04-28 17:18:11	7	0.0	0.0	0.0	0.0	0			,		0.00	3746255
2026-04-28 17:21:11	8	0.0	0.0	0.0	0.0	0			,		0.00	3746258
2026-04-28 17:24:11	9	0.0	0.0	-15.0	0.0	2	6.9	41.0	0.66, 0.18	0.68	0.93	3746259
2026-04-28 17:27:11	10	-0.1	0.0	-14.3	0.0	6	6.9	41.2	0.66, 0.18	0.69	0.00	3746262
2026-04-28 17:30:23	11	-0.1	-0.9	-18.0	0.0	8	6.9	41.2	0.66, 0.18	0.69	0.00	3746263
2026-04-28 17:33:11	12	-2.3	-11.6	-12.7	0.6	167	6.9	41.2	0.66, 0.18	0.69	0.00	3746266
2026-04-28 17:36:11	13	-3.4	-12.9	-12.1	0.8	246	-8.3	23.1	0.39, -0.07	0.40	4.04	3746267
2026-04-28 17:39:11	14	-5.1	-15.6	-11.5	1.3	372	-10.5	20.5	0.35, -0.11	0.37	2.63	3746270
2026-04-28 17:42:11	15	-6.0	-13.0	-12.1	1.5	432	-12.2	18.8	0.32, -0.14	0.35	0.00	3746271
2026-04-28 17:45:11	16	-6.6	-12.6	-12.6	1.6	468	-11.2	20.2	0.34, -0.12	0.37	0.00	3746274
2026-04-28 17:48:11	17	-7.0	-13.0	-12.7	1.7	501	-7.1	25.3	0.43, -0.05	0.43	0.00	3746275
2026-04-28 17:51:11	18	-10.0	-14.5	-13.5	2.3	667	-6.8	25.4	0.43, -0.05	0.43	0.00	3746278
2026-04-28 17:54:11	19	-12.9	-17.7	-14.8	2.8	817	-7.3	24.3	0.41, -0.06	0.42	7.58	3746279
2026-04-28 17:57:11	20	-14.2	-22.1	-14.2	3.0	882	-9.3	21.6	0.37, -0.09	0.38	0.98	3746282
2026-04-28 18:00:11	21	-16.2	-26.5	-13.9	3.3	975	-10.1	20.5	0.35, -0.10	0.37	0.00	3746283
2026-04-28 18:03:11	22	-18.4	-29.2	-15.2	3.6	1036	-9.9	21.1	0.36, -0.10	0.37	0.00	3746286
2026-04-28 18:06:11	23	-19.2	-30.4	-14.9	3.8	1100	-9.5	21.4	0.36, -0.10	0.38	0.00	3746289
2026-04-28 18:09:11	24	-19.0	-32.8	-15.3	3.7	1071	-10.4	20.6	0.35, -0.11	0.37	0.00	3746290
2026-04-28 18:12:23	25	-19.6	-35.0	-15.1	3.7	1079	-9.7	21.5	0.37, -0.10	0.38	0.00	3746291
2026-04-28 18:15:11	26	-18.5	-34.9	-14.6	3.5	1009	-9.2	22.2	0.38, -0.09	0.39	0.00	3746294
2026-04-28 18:18:11	27	-21.1	-39.4	-15.1	3.8	1104	-9.7	21.6	0.37, -0.10	0.38	0.00	3746295