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 14559
Detector 24h operating status: Last processed image: 0 hours and 18 minutes ago (2026-03-05 04:18 UTC) Last detected dimming: 1 hours and 18 minutes ago (2026-03-05 03:18 UTC) Overview for dimming #: 14559 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 #: 14559
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2025-12-03 19:42:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3605336

2025-12-03 19:45:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3605339

2025-12-03 19:48:11 3 -2.4 -9.9 -11.7 0.7 188 , 1.18 3605340

2025-12-03 19:51:11 4 -5.4 -13.5 -11.5 1.6 439 -25.5 -17.7 -0.28, -0.44 0.52 1.58 3605345

2025-12-03 19:54:11 5 -8.4 -16.7 -11.7 2.4 654 -25.9 -18.0 -0.28, -0.45 0.53 1.12 3605346

2025-12-03 19:57:11 6 -10.8 -19.8 -12.9 2.8 765 -25.9 -18.0 -0.28, -0.45 0.53 0.91 3605347

2025-12-03 20:00:11 7 -12.5 -20.6 -13.8 3.1 852 -25.8 -17.9 -0.28, -0.45 0.53 0.00 3605348

2025-12-03 20:03:11 8 -14.6 -21.7 -14.6 3.5 958 -25.8 -17.9 -0.28, -0.45 0.53 0.00 3605352

2025-12-03 20:06:11 9 -15.4 -21.3 -14.5 3.7 1018 -25.8 -17.9 -0.28, -0.45 0.53 0.00 3605353

2025-12-03 20:09:11 10 -16.6 -22.3 -14.5 4.0 1090 -25.6 -17.6 -0.28, -0.45 0.52 0.00 3605355

2025-12-03 20:12:11 11 -17.7 -22.3 -14.5 4.2 1142 -25.2 -17.3 -0.27, -0.44 0.52 0.00 3605356

2025-12-03 20:15:11 12 -19.2 -22.1 -15.0 4.5 1225 -25.3 -18.0 -0.28, -0.44 0.52 0.00 3605359

2025-12-03 20:18:11 13 -20.1 -22.2 -15.7 4.6 1239 -25.3 -18.4 -0.29, -0.44 0.53 0.00 3605360

2025-12-03 20:21:11 14 -21.8 -23.3 -16.5 4.7 1281 -25.1 -18.0 -0.28, -0.44 0.52 0.00 3605365

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
2025-12-03 19:42:11	1	0.0	0.0	0.0	0.0	0			,		0.00	3605336
2025-12-03 19:45:11	2	0.0	0.0	0.0	0.0	0			,		0.00	3605339
2025-12-03 19:48:11	3	-2.4	-9.9	-11.7	0.7	188			,		1.18	3605340
2025-12-03 19:51:11	4	-5.4	-13.5	-11.5	1.6	439	-25.5	-17.7	-0.28, -0.44	0.52	1.58	3605345
2025-12-03 19:54:11	5	-8.4	-16.7	-11.7	2.4	654	-25.9	-18.0	-0.28, -0.45	0.53	1.12	3605346
2025-12-03 19:57:11	6	-10.8	-19.8	-12.9	2.8	765	-25.9	-18.0	-0.28, -0.45	0.53	0.91	3605347
2025-12-03 20:00:11	7	-12.5	-20.6	-13.8	3.1	852	-25.8	-17.9	-0.28, -0.45	0.53	0.00	3605348
2025-12-03 20:03:11	8	-14.6	-21.7	-14.6	3.5	958	-25.8	-17.9	-0.28, -0.45	0.53	0.00	3605352
2025-12-03 20:06:11	9	-15.4	-21.3	-14.5	3.7	1018	-25.8	-17.9	-0.28, -0.45	0.53	0.00	3605353
2025-12-03 20:09:11	10	-16.6	-22.3	-14.5	4.0	1090	-25.6	-17.6	-0.28, -0.45	0.52	0.00	3605355
2025-12-03 20:12:11	11	-17.7	-22.3	-14.5	4.2	1142	-25.2	-17.3	-0.27, -0.44	0.52	0.00	3605356
2025-12-03 20:15:11	12	-19.2	-22.1	-15.0	4.5	1225	-25.3	-18.0	-0.28, -0.44	0.52	0.00	3605359
2025-12-03 20:18:11	13	-20.1	-22.2	-15.7	4.6	1239	-25.3	-18.4	-0.29, -0.44	0.53	0.00	3605360
2025-12-03 20:21:11	14	-21.8	-23.3	-16.5	4.7	1281	-25.1	-18.0	-0.28, -0.44	0.52	0.00	3605365