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 15432
Detector 24h operating status: Last processed image: 0 hours and 21 minutes ago (2026-04-19 01:36 UTC) Last detected dimming: 4 hours and 51 minutes ago (2026-04-18 21:06 UTC) Overview for dimming #: 15432 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 #: 15432
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2026-04-13 18:03:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3731893

2026-04-13 18:06:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3731894

2026-04-13 18:09:11 3 0.0 0.0 0.0 0.0 0 , 0.00 3731897

2026-04-13 18:12:23 4 0.0 0.0 0.0 0.0 0 , 0.00 3731898

2026-04-13 18:15:11 5 -0.7 -7.1 -18.0 0.0 36 , 0.00 3731901

2026-04-13 18:18:11 6 -3.9 -14.1 -11.2 0.0 308 0.60, -0.84 1.03 1.11 3731902

2026-04-13 18:21:11 7 -10.5 -19.4 -10.7 0.0 799 0.61, -0.83 1.03 0.00 3731905

2026-04-13 18:24:11 8 -18.1 -23.9 -10.7 0.0 1299 0.61, -0.82 1.02 0.00 3731906

2026-04-13 18:27:11 9 -27.1 -27.9 -9.8 0.0 2045 0.60, -0.83 1.03 0.00 3731909

2026-04-13 18:30:11 10 -35.1 -35.7 -9.3 0.0 2746 0.60, -0.83 1.03 0.00 3731910

2026-04-13 18:33:11 11 -41.1 -37.6 -9.6 0.0 3191 0.60, -0.83 1.03 0.00 3731913

2026-04-13 18:36:11 12 -49.4 -43.3 -9.8 0.0 3610 0.60, -0.83 1.03 0.00 3731914

2026-04-13 18:39:11 13 -57.1 -49.9 -10.1 0.0 3934 0.60, -0.83 1.02 0.00 3731917

2026-04-13 18:42:11 14 -65.5 -53.0 -10.6 0.0 4372 0.59, -0.84 1.02 0.00 3731918

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	size	x,y in R☉	dist. R☉	detection	Img ID
2026-04-13 18:03:11	1	0.0	0.0	0.0	0	,		0.00	3731893
2026-04-13 18:06:11	2	0.0	0.0	0.0	0	,		0.00	3731894
2026-04-13 18:09:11	3	0.0	0.0	0.0	0	,		0.00	3731897
2026-04-13 18:12:23	4	0.0	0.0	0.0	0	,		0.00	3731898
2026-04-13 18:15:11	5	-0.7	-7.1	-18.0	36	,		0.00	3731901
2026-04-13 18:18:11	6	-3.9	-14.1	-11.2	308	0.60, -0.84	1.03	1.11	3731902
2026-04-13 18:21:11	7	-10.5	-19.4	-10.7	799	0.61, -0.83	1.03	0.00	3731905
2026-04-13 18:24:11	8	-18.1	-23.9	-10.7	1299	0.61, -0.82	1.02	0.00	3731906
2026-04-13 18:27:11	9	-27.1	-27.9	-9.8	2045	0.60, -0.83	1.03	0.00	3731909
2026-04-13 18:30:11	10	-35.1	-35.7	-9.3	2746	0.60, -0.83	1.03	0.00	3731910
2026-04-13 18:33:11	11	-41.1	-37.6	-9.6	3191	0.60, -0.83	1.03	0.00	3731913
2026-04-13 18:36:11	12	-49.4	-43.3	-9.8	3610	0.60, -0.83	1.03	0.00	3731914
2026-04-13 18:39:11	13	-57.1	-49.9	-10.1	3934	0.60, -0.83	1.02	0.00	3731917
2026-04-13 18:42:11	14	-65.5	-53.0	-10.6	4372	0.59, -0.84	1.02	0.00	3731918