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 15473
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 #: 15473 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 #: 15473
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2026-04-23 20:06:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3741570

2026-04-23 20:09:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3741573

2026-04-23 20:12:11 3 -1.2 -10.2 -29.7 0.2 51 , 0.00 3741574

2026-04-23 20:15:11 4 -1.9 -15.2 -23.2 0.3 81 , 0.00 3741575

2026-04-23 20:18:11 5 -4.8 -18.9 -11.5 1.2 355 9.6 -23.5 -0.40, 0.25 0.47 0.00 3741578

2026-04-23 20:21:11 6 -12.0 -17.1 -9.6 3.8 1093 10.5 -21.2 -0.36, 0.26 0.45 1.33 3741579

2026-04-23 20:24:11 7 -23.1 -16.9 -10.1 7.5 2084 10.4 -22.0 -0.37, 0.26 0.45 2.54 3741581

2026-04-23 20:27:11 8 -26.2 -16.3 -10.4 8.1 2261 10.2 -22.6 -0.38, 0.26 0.46 0.00 3741582

2026-04-23 20:30:11 9 -27.4 -18.5 -10.4 8.3 2345 10.6 -22.0 -0.37, 0.26 0.46 0.00 3741586

2026-04-23 20:33:11 10 -32.2 -21.1 -10.7 9.4 2677 10.8 -20.6 -0.35, 0.27 0.44 0.00 3741588

2026-04-23 20:36:11 11 -36.5 -23.4 -11.1 10.2 2892 10.9 -20.8 -0.35, 0.27 0.44 0.00 3741589

2026-04-23 20:39:11 12 -40.0 -24.2 -11.3 10.9 3122 10.7 -20.9 -0.36, 0.27 0.44 0.00 3741590

2026-04-23 20:42:11 13 -44.5 -26.1 -11.8 11.8 3369 10.8 -20.7 -0.35, 0.27 0.44 0.00 3741594

2026-04-23 20:45:11 14 -45.9 -29.0 -12.0 11.8 3366 10.4 -21.3 -0.36, 0.26 0.45 0.00 3741595

2026-04-23 20:48:11 15 -46.9 -30.9 -11.9 12.1 3441 10.3 -21.4 -0.36, 0.26 0.45 0.00 3741598

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 20:06:11	1	0.0	0.0	0.0	0.0	0			,		0.00	3741570
2026-04-23 20:09:11	2	0.0	0.0	0.0	0.0	0			,		0.00	3741573
2026-04-23 20:12:11	3	-1.2	-10.2	-29.7	0.2	51			,		0.00	3741574
2026-04-23 20:15:11	4	-1.9	-15.2	-23.2	0.3	81			,		0.00	3741575
2026-04-23 20:18:11	5	-4.8	-18.9	-11.5	1.2	355	9.6	-23.5	-0.40, 0.25	0.47	0.00	3741578
2026-04-23 20:21:11	6	-12.0	-17.1	-9.6	3.8	1093	10.5	-21.2	-0.36, 0.26	0.45	1.33	3741579
2026-04-23 20:24:11	7	-23.1	-16.9	-10.1	7.5	2084	10.4	-22.0	-0.37, 0.26	0.45	2.54	3741581
2026-04-23 20:27:11	8	-26.2	-16.3	-10.4	8.1	2261	10.2	-22.6	-0.38, 0.26	0.46	0.00	3741582
2026-04-23 20:30:11	9	-27.4	-18.5	-10.4	8.3	2345	10.6	-22.0	-0.37, 0.26	0.46	0.00	3741586
2026-04-23 20:33:11	10	-32.2	-21.1	-10.7	9.4	2677	10.8	-20.6	-0.35, 0.27	0.44	0.00	3741588
2026-04-23 20:36:11	11	-36.5	-23.4	-11.1	10.2	2892	10.9	-20.8	-0.35, 0.27	0.44	0.00	3741589
2026-04-23 20:39:11	12	-40.0	-24.2	-11.3	10.9	3122	10.7	-20.9	-0.36, 0.27	0.44	0.00	3741590
2026-04-23 20:42:11	13	-44.5	-26.1	-11.8	11.8	3369	10.8	-20.7	-0.35, 0.27	0.44	0.00	3741594
2026-04-23 20:45:11	14	-45.9	-29.0	-12.0	11.8	3366	10.4	-21.3	-0.36, 0.26	0.45	0.00	3741595
2026-04-23 20:48:11	15	-46.9	-30.9	-11.9	12.1	3441	10.3	-21.4	-0.36, 0.26	0.45	0.00	3741598