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 13474
Detector 24h operating status: Last processed image: 0 hours and 21 minutes ago (2025-08-08 23:06 UTC) Last detected dimming: 0 hours and 21 minutes ago (2025-08-08 23:06 UTC) Overview for dimming #: 13474 back to overview Animations and graphs derotated original images ( non-derotated ) dimming intensity ( overlaid on HMI ) dimming mask base difference ( percentage ) running difference ( percentage )	more	more	more

Details for dimming #: 13474
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2025-07-31 23:24:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3487390

2025-07-31 23:27:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3487393

2025-07-31 23:30:11 3 0.0 0.0 0.0 0.0 0 , 0.00 3487394

2025-07-31 23:33:11 4 -0.1 0.0 -9.8 0.0 5 14.6 11.0 0.19, 0.16 0.24 0.00 3487397

2025-07-31 23:36:11 5 -1.7 -9.1 -14.7 0.4 112 13.7 11.7 0.20, 0.14 0.25 0.00 3487398

2025-07-31 23:39:11 6 -3.0 -10.4 -14.1 0.6 189 12.7 12.5 0.21, 0.12 0.25 3.96 3487401

2025-07-31 23:42:11 7 -5.1 -13.8 -11.5 1.1 329 12.9 12.4 0.21, 0.13 0.25 0.00 3487402

2025-07-31 23:45:11 8 -6.8 -20.8 -12.8 1.2 378 13.0 12.1 0.21, 0.13 0.24 4.31 3487405

2025-07-31 23:48:11 9 -8.2 -22.8 -13.7 1.3 395 13.5 11.2 0.19, 0.14 0.24 0.00 3487406

2025-07-31 23:51:11 10 -10.6 -25.5 -13.7 1.8 510 13.5 11.1 0.19, 0.14 0.23 0.00 3487409

2025-07-31 23:54:11 11 -10.4 -25.1 -13.5 1.7 481 13.6 10.9 0.19, 0.14 0.23 0.00 3487410

2025-07-31 23:57:11 12 -12.9 -28.5 -12.5 2.2 617 13.6 11.0 0.19, 0.14 0.23 0.00 3487413

2025-08-01 00:00:11 13 -12.4 -46.6 -11.7 2.0 545 13.7 10.7 0.18, 0.14 0.23 0.00 3487414

2025-08-01 00:03:11 14 -11.1 -32.9 -12.4 2.0 517 13.4 11.4 0.20, 0.14 0.24 0.00 3487417

2025-08-01 00:06:11 15 -10.8 -23.7 -12.5 2.0 549 12.9 12.0 0.21, 0.13 0.24 0.00 3487418

2025-08-01 00:09:11 16 -12.2 -24.4 -12.2 2.3 635 4.5 -54.0 -0.82, 0.02 0.82 1.14 3487421

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
2025-07-31 23:24:11	1	0.0	0.0	0.0	0.0	0			,		0.00	3487390
2025-07-31 23:27:11	2	0.0	0.0	0.0	0.0	0			,		0.00	3487393
2025-07-31 23:30:11	3	0.0	0.0	0.0	0.0	0			,		0.00	3487394
2025-07-31 23:33:11	4	-0.1	0.0	-9.8	0.0	5	14.6	11.0	0.19, 0.16	0.24	0.00	3487397
2025-07-31 23:36:11	5	-1.7	-9.1	-14.7	0.4	112	13.7	11.7	0.20, 0.14	0.25	0.00	3487398
2025-07-31 23:39:11	6	-3.0	-10.4	-14.1	0.6	189	12.7	12.5	0.21, 0.12	0.25	3.96	3487401
2025-07-31 23:42:11	7	-5.1	-13.8	-11.5	1.1	329	12.9	12.4	0.21, 0.13	0.25	0.00	3487402
2025-07-31 23:45:11	8	-6.8	-20.8	-12.8	1.2	378	13.0	12.1	0.21, 0.13	0.24	4.31	3487405
2025-07-31 23:48:11	9	-8.2	-22.8	-13.7	1.3	395	13.5	11.2	0.19, 0.14	0.24	0.00	3487406
2025-07-31 23:51:11	10	-10.6	-25.5	-13.7	1.8	510	13.5	11.1	0.19, 0.14	0.23	0.00	3487409
2025-07-31 23:54:11	11	-10.4	-25.1	-13.5	1.7	481	13.6	10.9	0.19, 0.14	0.23	0.00	3487410
2025-07-31 23:57:11	12	-12.9	-28.5	-12.5	2.2	617	13.6	11.0	0.19, 0.14	0.23	0.00	3487413
2025-08-01 00:00:11	13	-12.4	-46.6	-11.7	2.0	545	13.7	10.7	0.18, 0.14	0.23	0.00	3487414
2025-08-01 00:03:11	14	-11.1	-32.9	-12.4	2.0	517	13.4	11.4	0.20, 0.14	0.24	0.00	3487417
2025-08-01 00:06:11	15	-10.8	-23.7	-12.5	2.0	549	12.9	12.0	0.21, 0.13	0.24	0.00	3487418
2025-08-01 00:09:11	16	-12.2	-24.4	-12.2	2.3	635	4.5	-54.0	-0.82, 0.02	0.82	1.14	3487421