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 15469
Detector 24h operating status: Last processed image: 0 hours and 23 minutes ago (2026-04-26 11:21 UTC) Last detected dimming: 0 hours and 23 minutes ago (2026-04-26 11:21 UTC) Overview for dimming #: 15469 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 #: 15469
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2026-04-23 12:39:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3741271

2026-04-23 12:42:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3741274

2026-04-23 12:45:11 3 0.0 0.0 0.0 0.0 0 , 0.00 3741275

2026-04-23 12:48:11 4 -0.6 -5.9 -21.2 0.1 30 , 0.00 3741278

2026-04-23 12:51:11 5 -1.6 -14.6 -22.5 0.3 75 , 0.00 3741279

2026-04-23 12:54:11 6 -2.1 -19.2 -26.4 0.4 88 -8.6 -44.4 -0.70, -0.09 0.71 9.68 3741282

2026-04-23 12:57:11 7 -3.2 -24.8 -25.5 0.5 125 -8.9 -44.2 -0.70, -0.10 0.70 0.00 3741283

2026-04-23 13:00:11 8 -3.6 -27.9 -29.5 0.6 131 -8.8 -44.3 -0.70, -0.09 0.71 0.00 3741286

2026-04-23 13:03:11 9 -4.2 -30.0 -28.7 0.6 145 -8.9 -44.3 -0.70, -0.10 0.70 0.00 3741287

2026-04-23 13:06:11 10 -4.6 -31.0 -28.8 0.7 161 -9.1 -44.1 -0.70, -0.10 0.70 0.00 3741290

2026-04-23 13:09:11 11 -5.3 -33.0 -30.5 0.8 176 -9.1 -44.2 -0.70, -0.10 0.70 0.00 3741291

2026-04-23 13:12:11 12 -6.2 -36.6 -32.7 0.9 194 -9.1 -44.1 -0.70, -0.10 0.70 0.00 3741294

2026-04-23 13:15:11 13 -7.0 -39.3 -36.5 0.9 203 -9.0 -44.2 -0.70, -0.10 0.70 0.00 3741295

2026-04-23 13:18:11 14 -7.4 -39.3 -36.6 0.9 209 -9.0 -44.1 -0.70, -0.10 0.70 0.00 3741298

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
2026-04-23 12:39:11	1	0.0	0.0	0.0	0.0	0			,		0.00	3741271
2026-04-23 12:42:11	2	0.0	0.0	0.0	0.0	0			,		0.00	3741274
2026-04-23 12:45:11	3	0.0	0.0	0.0	0.0	0			,		0.00	3741275
2026-04-23 12:48:11	4	-0.6	-5.9	-21.2	0.1	30			,		0.00	3741278
2026-04-23 12:51:11	5	-1.6	-14.6	-22.5	0.3	75			,		0.00	3741279
2026-04-23 12:54:11	6	-2.1	-19.2	-26.4	0.4	88	-8.6	-44.4	-0.70, -0.09	0.71	9.68	3741282
2026-04-23 12:57:11	7	-3.2	-24.8	-25.5	0.5	125	-8.9	-44.2	-0.70, -0.10	0.70	0.00	3741283
2026-04-23 13:00:11	8	-3.6	-27.9	-29.5	0.6	131	-8.8	-44.3	-0.70, -0.09	0.71	0.00	3741286
2026-04-23 13:03:11	9	-4.2	-30.0	-28.7	0.6	145	-8.9	-44.3	-0.70, -0.10	0.70	0.00	3741287
2026-04-23 13:06:11	10	-4.6	-31.0	-28.8	0.7	161	-9.1	-44.1	-0.70, -0.10	0.70	0.00	3741290
2026-04-23 13:09:11	11	-5.3	-33.0	-30.5	0.8	176	-9.1	-44.2	-0.70, -0.10	0.70	0.00	3741291
2026-04-23 13:12:11	12	-6.2	-36.6	-32.7	0.9	194	-9.1	-44.1	-0.70, -0.10	0.70	0.00	3741294
2026-04-23 13:15:11	13	-7.0	-39.3	-36.5	0.9	203	-9.0	-44.2	-0.70, -0.10	0.70	0.00	3741295
2026-04-23 13:18:11	14	-7.4	-39.3	-36.6	0.9	209	-9.0	-44.1	-0.70, -0.10	0.70	0.00	3741298