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 15524
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 #: 15524 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 #: 15524
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2026-04-28 18:12:23 1 0.0 0.0 0.0 0.0 0 , 0.00 3746291

2026-04-28 18:15:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3746294

2026-04-28 18:18:11 3 0.0 0.0 0.0 0.0 0 , 0.00 3746295

2026-04-28 18:21:11 4 0.0 0.0 0.0 0.0 0 , 0.00 3746298

2026-04-28 18:24:11 5 0.0 0.0 0.0 0.0 0 , 0.00 3746299

2026-04-28 18:27:11 6 -0.1 -1.1 -14.9 0.0 9 , 4.32 3746301

2026-04-28 18:30:11 7 -1.3 -10.7 -15.5 0.4 71 , 2.08 3746302

2026-04-28 18:33:11 8 -1.5 -12.8 -15.7 0.4 79 , 0.85 3746306

2026-04-28 18:36:11 9 -2.0 -12.7 -17.9 0.6 105 10.6 51.9 0.78, 0.23 0.82 0.00 3746307

2026-04-28 18:39:11 10 -2.9 -13.4 -16.4 0.9 160 10.5 51.8 0.78, 0.23 0.81 0.00 3746310

2026-04-28 18:42:11 11 -2.5 -14.3 -16.8 0.8 141 10.5 52.1 0.78, 0.23 0.82 1.17 3746311

2026-04-28 18:45:11 12 -2.3 -15.6 -19.0 0.6 116 10.5 51.9 0.78, 0.23 0.82 2.38 3746314

2026-04-28 18:48:47 13 -2.6 -15.2 -19.6 0.7 131 , 0.00 3746315

2026-04-28 18:51:00 14 -3.3 -17.5 -20.4 0.9 161 , 0.00 3746318

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 18:12:23	1	0.0	0.0	0.0	0.0	0			,		0.00	3746291
2026-04-28 18:15:11	2	0.0	0.0	0.0	0.0	0			,		0.00	3746294
2026-04-28 18:18:11	3	0.0	0.0	0.0	0.0	0			,		0.00	3746295
2026-04-28 18:21:11	4	0.0	0.0	0.0	0.0	0			,		0.00	3746298
2026-04-28 18:24:11	5	0.0	0.0	0.0	0.0	0			,		0.00	3746299
2026-04-28 18:27:11	6	-0.1	-1.1	-14.9	0.0	9			,		4.32	3746301
2026-04-28 18:30:11	7	-1.3	-10.7	-15.5	0.4	71			,		2.08	3746302
2026-04-28 18:33:11	8	-1.5	-12.8	-15.7	0.4	79			,		0.85	3746306
2026-04-28 18:36:11	9	-2.0	-12.7	-17.9	0.6	105	10.6	51.9	0.78, 0.23	0.82	0.00	3746307
2026-04-28 18:39:11	10	-2.9	-13.4	-16.4	0.9	160	10.5	51.8	0.78, 0.23	0.81	0.00	3746310
2026-04-28 18:42:11	11	-2.5	-14.3	-16.8	0.8	141	10.5	52.1	0.78, 0.23	0.82	1.17	3746311
2026-04-28 18:45:11	12	-2.3	-15.6	-19.0	0.6	116	10.5	51.9	0.78, 0.23	0.82	2.38	3746314
2026-04-28 18:48:47	13	-2.6	-15.2	-19.6	0.7	131			,		0.00	3746315
2026-04-28 18:51:00	14	-3.3	-17.5	-20.4	0.9	161			,		0.00	3746318