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 15451
Detector 24h operating status: Last processed image: 0 hours and 15 minutes ago (2026-04-26 09:48 UTC) Last detected dimming: 0 hours and 30 minutes ago (2026-04-26 09:33 UTC) Overview for dimming #: 15451 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 #: 15451
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2026-04-20 08:48:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3738242

2026-04-20 08:51:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3738245

2026-04-20 08:54:11 3 0.0 0.0 0.0 0.0 0 , 0.00 3738246

2026-04-20 08:57:11 4 -1.0 -9.2 -25.3 0.1 32 , 0.00 3738249

2026-04-20 09:00:11 5 -7.9 -41.5 -13.8 1.0 281 18.2 11.6 0.19, 0.40 0.44 1.37 3738250

2026-04-20 09:03:11 6 -11.0 -50.9 -14.5 1.3 374 18.1 11.4 0.19, 0.40 0.44 2.85 3738253

2026-04-20 09:06:11 7 -16.3 -67.6 -14.3 1.8 521 17.9 11.8 0.20, 0.40 0.44 0.00 3738254

2026-04-20 09:09:11 8 -21.3 -85.8 -13.5 2.3 668 17.8 11.8 0.20, 0.39 0.44 0.00 3738257

2026-04-20 09:12:11 9 -21.9 -83.4 -14.0 2.4 683 17.9 11.8 0.20, 0.40 0.44 0.00 3738258

2026-04-20 09:15:11 10 -22.2 -83.0 -13.8 2.5 707 17.9 11.8 0.20, 0.40 0.44 0.00 3738261

2026-04-20 09:18:11 11 -23.0 -82.1 -13.9 2.6 748 17.9 11.8 0.20, 0.40 0.44 0.00 3738262

2026-04-20 09:21:11 12 -22.8 -82.3 -14.4 2.5 713 17.9 11.8 0.20, 0.40 0.44 0.00 3738265

2026-04-20 09:24:11 13 -24.4 -84.1 -15.1 2.7 761 17.9 11.8 0.20, 0.40 0.44 0.00 3738266

2026-04-20 09:27:11 14 -24.2 -85.9 -16.0 2.5 715 17.9 11.7 0.20, 0.40 0.44 0.00 3738269

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
2026-04-20 08:48:11	1	0.0	0.0	0.0	0.0	0			,		0.00	3738242
2026-04-20 08:51:11	2	0.0	0.0	0.0	0.0	0			,		0.00	3738245
2026-04-20 08:54:11	3	0.0	0.0	0.0	0.0	0			,		0.00	3738246
2026-04-20 08:57:11	4	-1.0	-9.2	-25.3	0.1	32			,		0.00	3738249
2026-04-20 09:00:11	5	-7.9	-41.5	-13.8	1.0	281	18.2	11.6	0.19, 0.40	0.44	1.37	3738250
2026-04-20 09:03:11	6	-11.0	-50.9	-14.5	1.3	374	18.1	11.4	0.19, 0.40	0.44	2.85	3738253
2026-04-20 09:06:11	7	-16.3	-67.6	-14.3	1.8	521	17.9	11.8	0.20, 0.40	0.44	0.00	3738254
2026-04-20 09:09:11	8	-21.3	-85.8	-13.5	2.3	668	17.8	11.8	0.20, 0.39	0.44	0.00	3738257
2026-04-20 09:12:11	9	-21.9	-83.4	-14.0	2.4	683	17.9	11.8	0.20, 0.40	0.44	0.00	3738258
2026-04-20 09:15:11	10	-22.2	-83.0	-13.8	2.5	707	17.9	11.8	0.20, 0.40	0.44	0.00	3738261
2026-04-20 09:18:11	11	-23.0	-82.1	-13.9	2.6	748	17.9	11.8	0.20, 0.40	0.44	0.00	3738262
2026-04-20 09:21:11	12	-22.8	-82.3	-14.4	2.5	713	17.9	11.8	0.20, 0.40	0.44	0.00	3738265
2026-04-20 09:24:11	13	-24.4	-84.1	-15.1	2.7	761	17.9	11.8	0.20, 0.40	0.44	0.00	3738266
2026-04-20 09:27:11	14	-24.2	-85.9	-16.0	2.5	715	17.9	11.7	0.20, 0.40	0.44	0.00	3738269