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 15429
Detector 24h operating status: Last processed image: 0 hours and 19 minutes ago (2026-04-18 15:30 UTC) Last detected dimming: 4 hours and 10 minutes ago (2026-04-18 11:39 UTC) Overview for dimming #: 15429 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 #: 15429
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2026-04-13 01:45:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3731242

2026-04-13 01:48:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3731243

2026-04-13 01:51:11 3 -0.4 -3.7 -6.5 0.2 52 , 0.00 3731245

2026-04-13 01:54:11 4 -0.7 -4.7 -6.7 0.4 101 , 1.00 3731246

2026-04-13 01:57:11 5 -8.0 -13.5 -10.3 2.6 692 27.0 11.4 0.18, 0.55 0.57 1.24 3731249

2026-04-13 02:00:11 6 -19.8 -17.9 -13.0 5.4 1426 26.9 10.9 0.17, 0.55 0.57 1.76 3731250

2026-04-13 02:03:11 7 -28.5 -20.7 -14.6 7.0 1858 26.4 10.2 0.16, 0.54 0.56 0.00 3731253

2026-04-13 02:06:11 8 -35.5 -23.2 -16.5 7.9 2091 26.1 10.1 0.16, 0.53 0.56 0.00 3731254

2026-04-13 02:09:11 9 -40.1 -25.4 -16.8 8.7 2306 26.0 9.3 0.15, 0.53 0.55 0.00 3731257

2026-04-13 02:12:11 10 -42.8 -26.2 -17.3 8.9 2377 25.5 9.5 0.15, 0.53 0.55 0.00 3731258

2026-04-13 02:15:11 11 -45.0 -27.9 -17.8 9.2 2439 25.8 9.0 0.14, 0.53 0.55 0.00 3731261

2026-04-13 02:18:11 12 -45.6 -28.5 -18.2 9.3 2467 25.7 9.0 0.14, 0.53 0.55 0.00 3731262

2026-04-13 02:21:11 13 -46.6 -28.3 -18.5 9.4 2487 25.6 9.6 0.15, 0.53 0.55 0.00 3731265

2026-04-13 02:24:11 14 -45.4 -28.1 -19.1 9.0 2382 26.0 9.9 0.16, 0.53 0.55 0.00 3731266

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
2026-04-13 01:45:11	1	0.0	0.0	0.0	0.0	0			,		0.00	3731242
2026-04-13 01:48:11	2	0.0	0.0	0.0	0.0	0			,		0.00	3731243
2026-04-13 01:51:11	3	-0.4	-3.7	-6.5	0.2	52			,		0.00	3731245
2026-04-13 01:54:11	4	-0.7	-4.7	-6.7	0.4	101			,		1.00	3731246
2026-04-13 01:57:11	5	-8.0	-13.5	-10.3	2.6	692	27.0	11.4	0.18, 0.55	0.57	1.24	3731249
2026-04-13 02:00:11	6	-19.8	-17.9	-13.0	5.4	1426	26.9	10.9	0.17, 0.55	0.57	1.76	3731250
2026-04-13 02:03:11	7	-28.5	-20.7	-14.6	7.0	1858	26.4	10.2	0.16, 0.54	0.56	0.00	3731253
2026-04-13 02:06:11	8	-35.5	-23.2	-16.5	7.9	2091	26.1	10.1	0.16, 0.53	0.56	0.00	3731254
2026-04-13 02:09:11	9	-40.1	-25.4	-16.8	8.7	2306	26.0	9.3	0.15, 0.53	0.55	0.00	3731257
2026-04-13 02:12:11	10	-42.8	-26.2	-17.3	8.9	2377	25.5	9.5	0.15, 0.53	0.55	0.00	3731258
2026-04-13 02:15:11	11	-45.0	-27.9	-17.8	9.2	2439	25.8	9.0	0.14, 0.53	0.55	0.00	3731261
2026-04-13 02:18:11	12	-45.6	-28.5	-18.2	9.3	2467	25.7	9.0	0.14, 0.53	0.55	0.00	3731262
2026-04-13 02:21:11	13	-46.6	-28.3	-18.5	9.4	2487	25.6	9.6	0.15, 0.53	0.55	0.00	3731265
2026-04-13 02:24:11	14	-45.4	-28.1	-19.1	9.0	2382	26.0	9.9	0.16, 0.53	0.55	0.00	3731266