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 13525
Detector 24h operating status: Last processed image: 0 hours and 20 minutes ago (2026-05-14 19:36 UTC) Last detected dimming: 0 hours and 20 minutes ago (2026-05-14 19:36 UTC) Overview for dimming #: 13525 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 #: 13525
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2025-08-05 11:33:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3491594

2025-08-05 11:36:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3491595

2025-08-05 11:39:11 3 0.0 0.0 0.0 0.0 0 , 0.00 3491598

2025-08-05 11:42:11 4 0.0 0.0 -14.1 0.0 2 , 0.00 3491599

2025-08-05 11:45:11 5 -0.2 -1.1 -14.7 0.0 10 , 1.58 3491602

2025-08-05 11:48:35 6 -0.2 -1.5 -16.7 0.0 12 1.9 0.4 0.01, -0.07 0.07 2.39 3491603

2025-08-05 11:51:11 7 -0.1 -0.4 -14.7 0.0 8 1.6 0.6 0.01, -0.08 0.08 0.00 3491606

2025-08-05 11:54:11 8 -0.2 -0.8 -18.6 0.0 9 1.6 0.6 0.01, -0.08 0.08 0.00 3491607

2025-08-05 11:57:11 9 -0.4 -2.5 -21.2 0.1 20 1.8 0.3 0.01, -0.08 0.08 0.84 3491610

2025-08-05 12:00:11 10 -1.2 -10.8 -20.9 0.2 58 1.4 0.7 0.01, -0.08 0.08 0.00 3491611

2025-08-05 12:03:11 11 -1.0 -11.6 -20.2 0.2 52 -0.2 2.6 0.05, -0.11 0.12 0.00 3491614

2025-08-05 12:06:11 12 -0.9 -10.6 -22.3 0.1 43 -0.2 2.5 0.04, -0.11 0.12 0.00 3491615

2025-08-05 12:09:11 13 -1.0 -10.9 -24.0 0.1 44 -0.2 2.5 0.04, -0.11 0.12 0.00 3491618

2025-08-05 12:12:11 14 -1.6 -13.7 -20.7 0.2 75 -0.2 2.4 0.04, -0.11 0.12 0.00 3491619

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
2025-08-05 11:33:11	1	0.0	0.0	0.0	0.0	0			,		0.00	3491594
2025-08-05 11:36:11	2	0.0	0.0	0.0	0.0	0			,		0.00	3491595
2025-08-05 11:39:11	3	0.0	0.0	0.0	0.0	0			,		0.00	3491598
2025-08-05 11:42:11	4	0.0	0.0	-14.1	0.0	2			,		0.00	3491599
2025-08-05 11:45:11	5	-0.2	-1.1	-14.7	0.0	10			,		1.58	3491602
2025-08-05 11:48:35	6	-0.2	-1.5	-16.7	0.0	12	1.9	0.4	0.01, -0.07	0.07	2.39	3491603
2025-08-05 11:51:11	7	-0.1	-0.4	-14.7	0.0	8	1.6	0.6	0.01, -0.08	0.08	0.00	3491606
2025-08-05 11:54:11	8	-0.2	-0.8	-18.6	0.0	9	1.6	0.6	0.01, -0.08	0.08	0.00	3491607
2025-08-05 11:57:11	9	-0.4	-2.5	-21.2	0.1	20	1.8	0.3	0.01, -0.08	0.08	0.84	3491610
2025-08-05 12:00:11	10	-1.2	-10.8	-20.9	0.2	58	1.4	0.7	0.01, -0.08	0.08	0.00	3491611
2025-08-05 12:03:11	11	-1.0	-11.6	-20.2	0.2	52	-0.2	2.6	0.05, -0.11	0.12	0.00	3491614
2025-08-05 12:06:11	12	-0.9	-10.6	-22.3	0.1	43	-0.2	2.5	0.04, -0.11	0.12	0.00	3491615
2025-08-05 12:09:11	13	-1.0	-10.9	-24.0	0.1	44	-0.2	2.5	0.04, -0.11	0.12	0.00	3491618
2025-08-05 12:12:11	14	-1.6	-13.7	-20.7	0.2	75	-0.2	2.4	0.04, -0.11	0.12	0.00	3491619