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 13403
Detector 24h operating status: Last processed image: 11 hours and 52 minutes ago (2026-03-06 00:24 UTC) Last detected dimming: 13 hours and 10 minutes ago (2026-03-05 23:06 UTC) Overview for dimming #: 13403 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 #: 13403
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2025-07-25 08:15:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3481358

2025-07-25 08:18:11 2 -0.1 0.0 -12.1 0.0 6 , 0.00 3481359

2025-07-25 08:21:11 3 -4.8 -6.0 -10.4 2.3 361 -9.0 -47.4 -0.74, -0.22 0.77 304.45 3481362

2025-07-25 08:24:11 4 -16.4 -8.9 -9.9 8.1 1298 -20.6 -29.9 -0.47, -0.43 0.64 179.86 3481363

2025-07-25 08:27:11 5 -33.5 -12.5 -10.5 16.8 2492 -21.5 -28.8 -0.45, -0.45 0.64 91.15 3481366

2025-07-25 08:30:11 6 -46.1 -16.3 -10.5 25.1 3308 -21.3 -29.2 -0.46, -0.44 0.64 9.47 3481367

2025-07-25 08:33:11 7 -65.3 -17.8 -10.1 35.2 4639 -31.4 -32.2 -0.46, -0.59 0.75 6.31 3481371

2025-07-25 08:36:11 8 -75.5 -17.5 -10.1 38.6 5309 -31.9 -34.2 -0.48, -0.60 0.77 1.03 3481372

2025-07-25 08:39:11 9 -88.8 -18.4 -10.0 43.0 6431 -31.3 -33.7 -0.48, -0.59 0.76 1.37 3481374

2025-07-25 08:42:11 10 -109.9 -21.4 -9.7 52.7 8133 -29.8 -32.4 -0.47, -0.57 0.74 3.88 3481375

2025-07-25 08:45:11 11 -137.2 -23.0 -9.5 62.5 10279 -28.7 -30.4 -0.45, -0.55 0.71 9.21 3481378

2025-07-25 08:48:11 12 -150.4 -23.3 -9.7 65.3 11192 -29.3 -29.6 -0.44, -0.56 0.71 0.00 3481379

2025-07-25 08:51:11 13 -163.8 -25.4 -9.7 67.8 12185 -29.0 -29.6 -0.44, -0.56 0.71 0.00 3481382

2025-07-25 09:09:11 14 -275.3 -28.4 -9.7 90.7 20822 -23.3 -29.2 -0.45, -0.47 0.66 0.00 3481393

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
2025-07-25 08:15:11	1	0.0	0.0	0.0	0.0	0			,		0.00	3481358
2025-07-25 08:18:11	2	-0.1	0.0	-12.1	0.0	6			,		0.00	3481359
2025-07-25 08:21:11	3	-4.8	-6.0	-10.4	2.3	361	-9.0	-47.4	-0.74, -0.22	0.77	304.45	3481362
2025-07-25 08:24:11	4	-16.4	-8.9	-9.9	8.1	1298	-20.6	-29.9	-0.47, -0.43	0.64	179.86	3481363
2025-07-25 08:27:11	5	-33.5	-12.5	-10.5	16.8	2492	-21.5	-28.8	-0.45, -0.45	0.64	91.15	3481366
2025-07-25 08:30:11	6	-46.1	-16.3	-10.5	25.1	3308	-21.3	-29.2	-0.46, -0.44	0.64	9.47	3481367
2025-07-25 08:33:11	7	-65.3	-17.8	-10.1	35.2	4639	-31.4	-32.2	-0.46, -0.59	0.75	6.31	3481371
2025-07-25 08:36:11	8	-75.5	-17.5	-10.1	38.6	5309	-31.9	-34.2	-0.48, -0.60	0.77	1.03	3481372
2025-07-25 08:39:11	9	-88.8	-18.4	-10.0	43.0	6431	-31.3	-33.7	-0.48, -0.59	0.76	1.37	3481374
2025-07-25 08:42:11	10	-109.9	-21.4	-9.7	52.7	8133	-29.8	-32.4	-0.47, -0.57	0.74	3.88	3481375
2025-07-25 08:45:11	11	-137.2	-23.0	-9.5	62.5	10279	-28.7	-30.4	-0.45, -0.55	0.71	9.21	3481378
2025-07-25 08:48:11	12	-150.4	-23.3	-9.7	65.3	11192	-29.3	-29.6	-0.44, -0.56	0.71	0.00	3481379
2025-07-25 08:51:11	13	-163.8	-25.4	-9.7	67.8	12185	-29.0	-29.6	-0.44, -0.56	0.71	0.00	3481382
2025-07-25 09:09:11	14	-275.3	-28.4	-9.7	90.7	20822	-23.3	-29.2	-0.45, -0.47	0.66	0.00	3481393